OT-2026-000053102
Publication integrity record
Foam pad vacuum gripper, common isolation valve, pump fed, 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-2026-000053102) never changes.
Identity and time
| Publication number | OT-2026-000053102 · never reused |
|---|---|
| Internal UUID | 01a0ae84-a431-741b-849f-4d316b7dcb8e · 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-2026-000053102 |
| Status | PUBLIC |
Content hashes
| Canonical text | 29147407019ee1355cd260b1a8334f7ae63af2d3b909912957c01580bf6d7af1 |
|---|---|
| Markdown | ea615e771e133ad8081f6f25a82cbf073f68275071922fbf75e98862b5eac8db |
| Publication page | 6d6d1c63f3fa3378037eef82cae292847f62dbff5d3430f0f6c142fa8ce93738 |
| Manifest | 07ecea312a1e09d3a075bdb6b3386ac45e0514a4421fa75dd0d5cf9fc87288de |
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 | lvk8IGakPP3SYBonciYf1AIUsOvIsIe1vDHwz3BYatuhglzn4VxhQDRPsW/PeuzqspmgQ0DobqYdmHnNBEx4DA== |
| 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
| 2026-09-17T10:56:49.531692Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000053102observed 6d6d1c63f3fa3378037eef82cae29284...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:56:49.514289Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000053102/manifest.jsonobserved 07ecea312a1e09d3a075bdb6b3386ac4...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:56:49.496686Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000053102/publication.mdobserved ea615e771e133ad8081f6f25a82cbf07...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:56:49.481100Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000053102/publication.txtobserved 29147407019ee1355cd260b1a8334f7a...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. |
|---|