OT-2026-000074052
Publication integrity record
Single bellows cup vacuum gripper, common isolation valve, three stage ejector, supply line pressure sensor, vented before set-down, on a tool changer
This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000074052) never changes.
Identity and time
| Publication number | OT-2026-000074052 · never reused |
|---|---|
| Internal UUID | 01a0ae93-2b8f-74db-9ae5-f91ed6f01a89 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:54:35.679268Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000074052 |
| Status | PUBLIC |
Content hashes
| Canonical text | 69de0d04dced14099ea920d15da6d477720cf973849e653df4f26fc4f920f0bd |
|---|---|
| Markdown | 1627a6138c5c289f6145d110f1a1a648fae40fac7236f8748f05c1a03d7e4fc4 |
| Publication page | 01d512413d7b3eeb1f783422078a84659f069ea5a721e25f9f5f07ce356064bd |
| Manifest | 44fab0ad203c08cc6902a1802d8ef04a3c276d89aaefd0797ea8e19a5c59385d |
SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.
Manifest signature
| Algorithm | Ed25519 · key
OT-SIGN-2026-01 · Verified |
|---|---|
| Signature | OyuWgisZL8NYz5URu9yslPMshh7OnZ+NZpTnfzyHzsNTs8X4HMZQKr0cs76xPiX61RmtmCY9OjKgj7Z+YejRAA== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T09:07:03Z batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof root 061e9ae86cc297cdce873398aaec3f72... |
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Independent retrieval
| 2026-10-15T16:42:01.091191Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000074052observed 01d512413d7b3eeb1f783422078a8465...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-15T16:42:00.997660Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000074052/manifest.jsonobserved 44fab0ad203c08cc6902a1802d8ef04a...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-15T16:42:00.919550Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000074052/publication.mdobserved 1627a6138c5c289f6145d110f1a1a648...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-15T16:42:00.845645Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000074052/publication.txtobserved 69de0d04dced14099ea920d15da6d477...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-20T04:41:18.165476Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000074052observed 01d512413d7b3eeb1f783422078a8465...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-20T04:41:18.006492Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000074052/manifest.jsonobserved 44fab0ad203c08cc6902a1802d8ef04a...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-20T04:41:17.822607Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000074052/publication.mdobserved 1627a6138c5c289f6145d110f1a1a648...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-20T04:41:17.589077Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000074052/publication.txtobserved 69de0d04dced14099ea920d15da6d477...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.
Independent archive
| External archive | Pending Canonical URLs are submitted to an independent archive in batches. |
|---|
A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.
Third-party custody
| OT-CUSTODY-2026-W38 | OpenTechnical-Custody-2026-W38.tar.zstf2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent |
|---|