OpenTechnical

OT-2026-000051001

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum 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-2026-000051001) never changes.

Identity and time

Publication numberOT-2026-000051001 · never reused
Internal UUID01a0ae82-c7b4-7253-8242-c708a72ee62c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:41.548889Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000051001
StatusPUBLIC

Content hashes

Canonical text1d77b944337693ed68b2b6300e334673a6c140734bb73802d735d7a1289d3d59
Markdown03dd22bda8cda8acef8eb2f3f9fddb3a7eaf5a6500a07f6d3e0d22f3e8842728
PDF
Publication pageee427116c96b074bdbc8e5c9c400f2073e19f3d02cf6efda59be31ddd83277dc
Manifest70e5746d475ec570945daeed3a8e52ae753017ba34bd07907bea675bc7c3fc7c

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
SignatureNILD4tFIGWv44bmsVUFhBTaa7P6F1PAr1nV/EBj4sAf7h6soRI3p668Yc3uGhUTpgXDeoyFRRk6xuA1l9uxoAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:00:54.004107ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051001
observed ee427116c96b074bdbc8e5c9c400f207...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:53.984043ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051001/manifest.json
observed 70e5746d475ec570945daeed3a8e52ae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:53.965927ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051001/publication.md
observed 03dd22bda8cda8acef8eb2f3f9fddb3a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:53.947947ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051001/publication.txt
observed 1d77b944337693ed68b2b6300e334673...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:53.945168ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051001
observed ee427116c96b074bdbc8e5c9c400f207...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:53.925209ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051001/manifest.json
observed 70e5746d475ec570945daeed3a8e52ae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:53.907319ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051001/publication.md
observed 03dd22bda8cda8acef8eb2f3f9fddb3a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:53.889094ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051001/publication.txt
observed 1d77b944337693ed68b2b6300e334673...
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.