OT-2026-000021887
Publication integrity record
Two bellows cup vacuum gripper, two zone face, common isolation valve, three stage ejector, pulsed blow-off before set-down
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-2026-000021887) never changes.
Identity and time
| Publication number | OT-2026-000021887 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-bb5b-7b67-ae86-0ef1018dd94e · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:53.201585Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000021887 |
| Status | PUBLIC |
Content hashes
| Canonical text | 0a9576012f89ab7858859d755572ff6f1bd46310355f880c3a7696baa0db4d36 |
|---|---|
| Markdown | 662b27bbd15fd842530aa22233cd5f15551275f81d33c810dec2095d17d65d0d |
| Publication page | 3e90c8b4efd6f7ff6745542e973f86d81f5a4075a5f0868f44510941ad8da644 |
| Manifest | 60795360983240e08be75295664d8656cb00fcb2d9fe7b95f07f53adf45ef735 |
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 | 453mSSB1CC5zlYUAFeM1db8z6mVZp4R55uouF0iwO1htEurIv2OH9gC80gMnOJEeZsi1r17WL68+c1P4KossAA== |
| 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
| 2026-09-17T11:54:27.201356Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021887observed 3e90c8b4efd6f7ff6745542e973f86d8...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:54:27.181386Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021887/manifest.jsonobserved 60795360983240e08be75295664d8656...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:27.165141Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021887/publication.mdobserved 662b27bbd15fd842530aa22233cd5f15...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:27.148599Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021887/publication.txtobserved 0a9576012f89ab7858859d755572ff6f...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. |
|---|