OT-2026-000077156
Publication integrity record
Single bellows cup vacuum gripper, pump fed, 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-2026-000077156) never changes.
Identity and time
| Publication number | OT-2026-000077156 · never reused |
|---|---|
| Internal UUID | 01a0ae94-f507-7d93-aa71-9ebbdc95315f · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:56:32.796581Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000077156 |
| Status | PUBLIC |
Content hashes
| Canonical text | e296937305064910ae032f840b66b3161fb1b3b9fd0d1abb1408ca39fe2b522f |
|---|---|
| Markdown | 816b68daad0f0d13d8bedaa0d22b9f7663e2bfe0832ab6ec83073a248198b24d |
| Publication page | 14f2964efa4561cd9b61989210b7a7d4550edfd1ac47e745c4c7115686753266 |
| Manifest | 518425dc889b6a91616e5f90230abed4d4ad480f089e89faba0a1bd6c856e972 |
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 | l8x+jVqLh2jO+R5u3VlnPHl29/JTsXC3yDaN05R6n7HEvlecRtx9dhGIk8xyHFyFgH1mSSW3UqgWHHtBvXO+Dg== |
| 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
| 2026-09-17T10:11:46.784274Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077156observed 14f2964efa4561cd9b61989210b7a7d4...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:11:46.765489Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077156/manifest.jsonobserved 518425dc889b6a91616e5f90230abed4...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:11:46.746175Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077156/publication.mdobserved 816b68daad0f0d13d8bedaa0d22b9f76...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:11:46.725930Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077156/publication.txtobserved e296937305064910ae032f840b66b316...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:08:37.520460Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077156observed 14f2964efa4561cd9b61989210b7a7d4...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:08:37.500053Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077156/manifest.jsonobserved 518425dc889b6a91616e5f90230abed4...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:08:37.477772Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077156/publication.mdobserved 816b68daad0f0d13d8bedaa0d22b9f76...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:08:37.456827Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077156/publication.txtobserved e296937305064910ae032f840b66b316...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. |
|---|