OT-2026-000016821
Publication integrity record
Four cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, 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-2026-000016821) never changes.
Identity and time
| Publication number | OT-2026-000016821 · never reused |
|---|---|
| Internal UUID | 01a0ae6e-5919-7a5d-b4b0-9c5722247e4b · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:14:22.507214Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000016821 |
| Status | PUBLIC |
Content hashes
| Canonical text | 5f2f9c2fdff93d32eea09460f0aa6f7c236506a9a8f05f58b2f0945587462a81 |
|---|---|
| Markdown | 357fd2b7fc630800b78a10471d993b5e320c0815c00401b5e17ffe2c7248051f |
| Publication page | b022c3e2aec046039db7ba0c538dcf465d96b2ace91f353f4c9dd50c249f67d1 |
| Manifest | dcaf99388f9a28ae3a7ab88b3fae529bd2383d1713eba5b8e6ebf8c8730074cb |
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 | iKNiqI+CgwWmHIgfKQ2F5sMoKRKLVb1ILamTpvB3UUOH8n5/SoOLEb5s9yjhVqfO5X6sgE/JKM6/trbb/Sv2Aw== |
| 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
| 2026-09-17T12:03:04.681961Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000016821observed b022c3e2aec046039db7ba0c538dcf46...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T12:03:04.666406Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000016821/manifest.jsonobserved dcaf99388f9a28ae3a7ab88b3fae529b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:03:04.650560Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000016821/publication.mdobserved 357fd2b7fc630800b78a10471d993b5e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:03:04.635070Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000016821/publication.txtobserved 5f2f9c2fdff93d32eea09460f0aa6f7c...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. |
|---|