OT-2026-000057637
Publication integrity record
Single cup vacuum gripper, common isolation valve, three stage ejector, supply line pressure sensor, 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-2026-000057637) never changes.
Identity and time
| Publication number | OT-2026-000057637 · never reused |
|---|---|
| Internal UUID | 01a0ae88-2694-76cd-ab30-5916633bb62c · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:42:33.513637Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000057637 |
| Status | PUBLIC |
Content hashes
| Canonical text | 8b3b70c663d3366d4c0a88d4bd239f15392cd31fdd214068a66d0b80011003aa |
|---|---|
| Markdown | f1bf97d46fbfc84376df2f2c2a87543bef9514bf977c6fff8041548af53ecbb2 |
| Publication page | 1cdbe753ab1aacd1ee1315b5a2132a379bb1b0e1cf7ef46cf08b8848afb6f146 |
| Manifest | 2e74858352f9f1f6e015e428e618ef9b2deaf1dd726e1688fd8e0aafca5fa470 |
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 | M8N7IgxEtMaGzUCy3MTxkoUY/+zjPgDVvv4rWGB6brMvWkCzv5cisFn1bYXXUaNm8fKjgzzDJNhy2TTsy9k4Ag== |
| 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... |
|---|
Independent retrieval
| 2026-10-29T20:41:30.610142Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000057637observed 1cdbe753ab1aacd1ee1315b5a2132a37...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-29T20:41:30.536188Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000057637/manifest.jsonobserved 2e74858352f9f1f6e015e428e618ef9b...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-29T20:41:30.458453Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000057637/publication.mdobserved f1bf97d46fbfc84376df2f2c2a87543b...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-29T20:41:30.343852Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000057637/publication.txtobserved 8b3b70c663d3366d4c0a88d4bd239f15...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-18T00:41:17.382151Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000057637observed 1cdbe753ab1aacd1ee1315b5a2132a37...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-18T00:41:17.335215Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000057637/manifest.jsonobserved 2e74858352f9f1f6e015e428e618ef9b...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-18T00:41:17.281638Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000057637/publication.mdobserved f1bf97d46fbfc84376df2f2c2a87543b...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-18T00:41:17.226864Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000057637/publication.txtobserved 8b3b70c663d3366d4c0a88d4bd239f15...fetched by grabo-systems from 34.44.131.203, 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
| OT-CUSTODY-2026-W38 | OpenTechnical-Custody-2026-W38.tar.zstf2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent |
|---|