OT-2026-000027442
Publication integrity record
Foam pad vacuum gripper, common isolation valve, pump fed, supply line pressure sensor, sustained 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-2026-000027442) never changes.
Identity and time
| Publication number | OT-2026-000027442 · never reused |
|---|---|
| Internal UUID | 01a0ae72-6998-7036-9557-65301c61a239 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:18:48.928538Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000027442 |
| Status | PUBLIC |
Content hashes
| Canonical text | 28c3b8b5879d1aefc2e918cbde957c47928ef6b63436ec583ad115a436a6bb91 |
|---|---|
| Markdown | 76187290f30c18b468b7cf22b00cdd7bcb70d882f3c057efb17f1d86f333ef34 |
| Publication page | 768fba14ec8772e154cf4c8f7dcefedade6d5081c99e529601b30d437f314cd4 |
| Manifest | 7fb38c10589c0ae76720914df1e47dd06f8722adf3be8f5315227a034eaed19b |
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 | ngZ3TtzlrThGjAI04sAM6WYkLTMXDf4Hiy6XSwGdYfLqlmevClMRrfUHJD2pQycOFavgJuVq3ZNwUJ/6BH2tCA== |
| 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
| 2026-10-18T04:23:07.085866Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000027442observed 768fba14ec8772e154cf4c8f7dcefeda...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-18T04:23:07.071325Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000027442/manifest.jsonobserved 7fb38c10589c0ae76720914df1e47dd0...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-18T04:23:07.041563Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000027442/publication.mdobserved 76187290f30c18b468b7cf22b00cdd7b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-18T04:23:06.948912Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000027442/publication.txtobserved 28c3b8b5879d1aefc2e918cbde957c47...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-07T00:41:29.508947Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000027442observed 768fba14ec8772e154cf4c8f7dcefeda...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-07T00:41:29.394616Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000027442/manifest.jsonobserved 7fb38c10589c0ae76720914df1e47dd0...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-07T00:41:29.303799Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000027442/publication.mdobserved 76187290f30c18b468b7cf22b00cdd7b...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-07T00:41:29.181858Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000027442/publication.txtobserved 28c3b8b5879d1aefc2e918cbde957c47...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 |
|---|