OT-2026-000012551
Publication integrity record
Four bellows cup vacuum gripper, four zone face, two 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-2026-000012551) never changes.
Identity and time
| Publication number | OT-2026-000012551 · never reused |
|---|---|
| Internal UUID | 01a0ae6d-39f7-7684-800c-411c2227a38c · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:13:08.998406Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000012551 |
| Status | PUBLIC |
Content hashes
| Canonical text | ffca8976fd74ee1bf76e82921dfe6998135a2230c87d7461561d831ad1a7ad48 |
|---|---|
| Markdown | 2a8c5340804640666f400da088f15e630360854fc9119ad2e6c80083e2340a72 |
| Publication page | fc4325d2b3c14d5574bc35df498624f510c51bc667aa8dcff0a09403e9a72ef5 |
| Manifest | d9291dfba61a2d4396df94b0dc6ab5080dbf102d74e8541d76ce349a791724b9 |
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 | Q5JZ7Hd+oYE9RpQQUUkwAsr1lHqEDPrclRQiG3zonhHEN2f00Q1tY4X++9FZjRx17v2E+S1qkPX6Gfsdd0jMDQ== |
| 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
| 2026-09-17T12:12:05.735732Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000012551observed fc4325d2b3c14d5574bc35df498624f5...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T12:12:05.715512Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000012551/manifest.jsonobserved d9291dfba61a2d4396df94b0dc6ab508...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:12:05.697616Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000012551/publication.mdobserved 2a8c5340804640666f400da088f15e63...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:12:05.677784Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000012551/publication.txtobserved ffca8976fd74ee1bf76e82921dfe6998...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. |
|---|