OpenTechnical

OT-2026-000073136

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, vented before set-down

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-2026-000073136) never changes.

Identity and time

Publication numberOT-2026-000073136 · never reused
Internal UUID01a0ae92-efb6-7b64-9e60-a4bed3bf1c5f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:20.363042Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073136
StatusPUBLIC

Content hashes

Canonical text959f86f8659aae336d687040088649ff7dd692d6c2e368c57b8001354e5ff3c8
Markdown68648f9b1a557d18341813ba51a300cc4c152816c3a1b3edbcdacb61575f2bd1
PDF
Publication page6f782fc4653fa2a448224aa5e07470f831cfe883b59323b07e18dc7135c2f2bc
Manifest362357789d0bcbd04bfda70a215db0f2da65b293f3cb2959ab06688fff95b473

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignaturetS+WW8YZwq9q8T7d3ldH+vOazN8dCyndT8fs7CsCze2p2rdnoiThLYqnu1Xd3ZLzbUQUZfgvK/7Vy6hChzwbDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:21:04.271040ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073136
observed 6f782fc4653fa2a448224aa5e07470f8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:04.251347ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073136/manifest.json
observed 362357789d0bcbd04bfda70a215db0f2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:04.229604ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073136/publication.md
observed 68648f9b1a557d18341813ba51a300cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:04.210115ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073136/publication.txt
observed 959f86f8659aae336d687040088649ff...
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 archivePending 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 packagePending Custody packages are produced weekly.