OT-2026-000078950
Publication integrity record
Single bellows cup vacuum gripper, common isolation valve, 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-2026-000078950) never changes.
Identity and time
| Publication number | OT-2026-000078950 · never reused |
|---|---|
| Internal UUID | 01a0ae95-ccbe-7f70-b09f-9d97e2e56c8f · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:57:28.017032Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000078950 |
| Status | PUBLIC |
Content hashes
| Canonical text | 575c61f057b36ec35d405cadf3db17e4cfc7ae318a9605492f344ed3cfe1736e |
|---|---|
| Markdown | 157dcfed5e26d3f98adf67b49bdc5e7815f3b112c3f4cc0e754d0de67d9cbd42 |
| Publication page | 6ee5fc1d7a874962d5890a16d761e71fe0d1b50f2d8edd3e2ee036614e58a0b5 |
| Manifest | 873dcb219da5196c9e1e4fc0071b074fb1dc00fbe28eeb2e28f4b97371508e54 |
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 | TuUV7phZiKmSq1teQBhYEaY3t6b8viNySlWL6ojwSsoeVthUHQR0K82hTEEVeLAyZW3ePWMjXKbVX6+T+tjSBQ== |
| 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
| 2026-09-17T10:05:46.522567Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000078950observed 6ee5fc1d7a874962d5890a16d761e71f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:05:46.504329Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000078950/manifest.jsonobserved 873dcb219da5196c9e1e4fc0071b074f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:05:46.487493Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000078950/publication.mdobserved 157dcfed5e26d3f98adf67b49bdc5e78...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:05:46.470452Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000078950/publication.txtobserved 575c61f057b36ec35d405cadf3db17e4...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. |
|---|