OT-2026-000077974
Publication integrity record
Single bellows cup vacuum gripper, three stage ejector, vented after 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-2026-000077974) never changes.
Identity and time
| Publication number | OT-2026-000077974 · never reused |
|---|---|
| Internal UUID | 01a0ae95-2ed1-7c9f-9c45-8c51aee573ee · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:56:47.703064Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000077974 |
| Status | PUBLIC |
Content hashes
| Canonical text | c526077247523d64fc34f817d6e300b2bda1d9285d848146ed2ea66b9c0eb666 |
|---|---|
| Markdown | 4ea9d1371cfa8bb5bf5b61cd7f98b5aa40707b661b86915f96e7d2bee38d882f |
| Publication page | a9ccca6e9cc27440800ee9467d682df3b675802b9e180b590e9b8f689ed53367 |
| Manifest | bbb05982ab6cffb8a2dd5b26cade7dcf2555064b0976c0e39109d59d3c4f3bd7 |
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 | lW5GNLcVSF0mOkpwcxN7l/qjXZIoO+vgogdW6zvqiAX0Ijsj2nx4QX2Af7KlLiRzZdqQz+27r1vyui/Tmm3gBQ== |
| 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... |
|---|
Independent retrieval
| 2026-09-17T10:06:59.830210Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077974observed a9ccca6e9cc27440800ee9467d682df3...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:06:59.811280Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077974/manifest.jsonobserved bbb05982ab6cffb8a2dd5b26cade7dcf...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:06:59.791394Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077974/publication.mdobserved 4ea9d1371cfa8bb5bf5b61cd7f98b5aa...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:06:59.773141Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077974/publication.txtobserved c526077247523d64fc34f817d6e300b2...fetched by instance-3.rotem.ai from 34.69.0.72, 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
| Custody package | Pending Custody packages are produced weekly. |
|---|