OT-2026-000020507
Publication integrity record
Two bellows cup vacuum gripper, two zone face, per zone isolation, three stage ejector, pulsed blow-off 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-2026-000020507) never changes.
Identity and time
| Publication number | OT-2026-000020507 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-437c-7bf1-9487-16f1cf5f8952 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:22.507199Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000020507 |
| Status | PUBLIC |
Content hashes
| Canonical text | 4be959967a004f1f9b7802dece96017dcfc9d429bbe4a04f0c9a08ee9cc83a4b |
|---|---|
| Markdown | 39c31ef9b313981650184e59996aa004299589e65cc65082a0e548ca9bbb00bf |
| Publication page | f2b3b856c3039978a8635ee9b9771b0bdc963f53affed91018b35833370b8c7d |
| Manifest | d1c95751e740ce6d0a32b6b110f994360368d39cf2a3adfbba12d7aab68b6da1 |
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 | f0E6XQGXxjDJyPEVDe7Yv8QjBuzQfgOJxmb6Ll4SaMd8tFZW+92Nlsi5dYhbVKZ+XHIaK6nTV3OAGH17HEIADg== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
|---|
Independent retrieval
| 2026-09-17T12:00:28.179261Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020507observed f2b3b856c3039978a8635ee9b9771b0b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T12:00:28.159282Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020507/manifest.jsonobserved d1c95751e740ce6d0a32b6b110f99436...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:00:28.141678Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020507/publication.mdobserved 39c31ef9b313981650184e59996aa004...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:00:28.120171Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020507/publication.txtobserved 4be959967a004f1f9b7802dece96017d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:57:31.215506Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020507observed f2b3b856c3039978a8635ee9b9771b0b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:57:31.198561Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020507/manifest.jsonobserved d1c95751e740ce6d0a32b6b110f99436...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:57:31.180796Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020507/publication.mdobserved 39c31ef9b313981650184e59996aa004...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:57:31.163423Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020507/publication.txtobserved 4be959967a004f1f9b7802dece96017d...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. |
|---|