OT-2026-000074457
Publication integrity record
Foam pad vacuum gripper, two zone face, four outlet manifold, three stage ejector, manifold pressure sensor, pulsed blow-off before set-down
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-2026-000074457) never changes.
Identity and time
| Publication number | OT-2026-000074457 · never reused |
|---|---|
| Internal UUID | 01a0ae93-717a-71cb-9cc3-f3a4acbef5ae · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:54:53.574555Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000074457 |
| Status | PUBLIC |
Content hashes
| Canonical text | e9f151d9004c34f2fef069f49401d5d866135af16f90d8ffb7ee21e0c070a26a |
|---|---|
| Markdown | 55611ceccda6f90983556a0daa2c0f7048cf06575ff616333c3a690cfffa5001 |
| Publication page | 66cd93f62dc672378cdac4086d6fb546859f225f258053fc93275c07070e1bf2 |
| Manifest | 603a0281717308dd018691bf09c774937fea839f45d02eae60e1fe14e074a7eb |
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 | BEZSNvD60SrhtncLhPD25X2sAlNwbxlgUsZ1m88B91I5/ABEGSqmcfXeFYsh0bbUFi54MPWvgzrOOdfyLUa3Ag== |
| 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
| 2026-10-17T00:41:33.594473Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000074457observed 66cd93f62dc672378cdac4086d6fb546...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-17T00:41:33.518126Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000074457/manifest.jsonobserved 603a0281717308dd018691bf09c77493...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-17T00:41:33.464189Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000074457/publication.mdobserved 55611ceccda6f90983556a0daa2c0f70...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-17T00:41:33.383763Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000074457/publication.txtobserved e9f151d9004c34f2fef069f49401d5d8...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-29T00:42:03.486890Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000074457observed 66cd93f62dc672378cdac4086d6fb546...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-29T00:42:03.427577Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000074457/manifest.jsonobserved 603a0281717308dd018691bf09c77493...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-29T00:42:03.360441Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000074457/publication.mdobserved 55611ceccda6f90983556a0daa2c0f70...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-29T00:42:03.296055Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000074457/publication.txtobserved e9f151d9004c34f2fef069f49401d5d8...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 |
|---|