OT-2026-000055503
Publication integrity record
Foam pad vacuum gripper, three zone face, common isolation valve, two stage ejector, supply line 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-2026-000055503) never changes.
Identity and time
| Publication number | OT-2026-000055503 · never reused |
|---|---|
| Internal UUID | 01a0ae86-a102-7d13-a0cc-3e0788a6bd9a · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:40:53.783868Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000055503 |
| Status | PUBLIC |
Content hashes
| Canonical text | 183e18ca686f64dae91d63841cd6aea800ae05640b4edb199f49b5a7753aed06 |
|---|---|
| Markdown | a90a8a092d223d32c38513e7c6d27d9c75642b405640800009635de497832645 |
| Publication page | 9a33aa77eb287bb45e40b928f692a9a92150dc00502645317c8c577714e0ff39 |
| Manifest | 9dfc535bfe71f2f76e843a2099ba89954e67aa7250bd66e64f1363acd82e1f39 |
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 | YCIYv0EASrzDTjxL3B32CVlQhUSuwTJVW5ZIjPEHeRQeOKgO7xA8t7+17JCK3h+VYNpss7d5OJFMUNPcm1QiAg== |
| 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
| 2026-09-17T10:52:10.475035Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000055503observed 9a33aa77eb287bb45e40b928f692a9a9...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:52:10.455860Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000055503/manifest.jsonobserved 9dfc535bfe71f2f76e843a2099ba8995...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:52:10.437644Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000055503/publication.mdobserved a90a8a092d223d32c38513e7c6d27d9c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:52:10.421702Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000055503/publication.txtobserved 183e18ca686f64dae91d63841cd6aea8...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. |
|---|