OT-2026-000053173
Publication integrity record
Four cup vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, vented 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-2026-000053173) never changes.
Identity and time
| Publication number | OT-2026-000053173 · never reused |
|---|---|
| Internal UUID | 01a0ae84-a432-7ffa-88b7-352b7eb88b79 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:38:43.524202Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000053173 |
| Status | PUBLIC |
Content hashes
| Canonical text | bd69f80660fa8d2147060a66fe3708d165285b79929d49e42995008f61b90f37 |
|---|---|
| Markdown | a4ffc21b43be1e72a84436528487558164869ad0d159752a18e3f890e7d86839 |
| Publication page | 81385dd83e6cfbe3682eb179eade3af3e1c26f9aa2ed3f02aaf994411e40ef46 |
| Manifest | 43d517234a9538bfede5c685286ad7f659505fa9b10da6f2f093e6e5917eba98 |
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 | zcDyyR5ZdMOfJ3mmmoFypv0SuVAanycbUhyRzLYqyS5xzRGnTfWCDh2xK/KmMcITQxwhCiHuRyVon6iVVQ+FAg== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:47:04Z batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof root 954df3475fbcfbe27467725cfb2ec919... |
|---|---|
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
Independent retrieval
| 2026-09-17T10:56:59.825308Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000053173observed 81385dd83e6cfbe3682eb179eade3af3...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:56:59.807879Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000053173/manifest.jsonobserved 43d517234a9538bfede5c685286ad7f6...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:56:59.789692Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000053173/publication.mdobserved a4ffc21b43be1e72a844365284875581...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:56:59.771381Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000053173/publication.txtobserved bd69f80660fa8d2147060a66fe3708d1...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. |
|---|