OpenTechnical

OT-2026-000050961

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, 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-2026-000050961) never changes.

Identity and time

Publication numberOT-2026-000050961 · never reused
Internal UUID01a0ae82-c7b4-74b3-aeda-ddc852693750 · 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-2026-000050961
StatusPUBLIC

Content hashes

Canonical text6a5b09cb0c3c044f9ce31783b8ffa51f32fd5caf3497f9f8b0788064487143a7
Markdownbcfdfd0a4b8a707da7be0ffa24c259dab863e58572ab5ec6dbe466a84ce7ad2d
PDF
Publication page5158b81ad063a0b9356bb741c371087c2d9bc1d05121e41dce82065d23229421
Manifestb43853b82471d80057a514a66bb4a472262d55aca0104dca200073a7c8c829ea

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
Signature7T8d/2lMaBGWOqDHuhLzcJggpMvoSGGnYjBqdibVHega7PpKDpiJeQW3/Z2t1FQ5CkNypWpSAuMmvQ++YFUtBw==
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

2026-09-17T11:00:44.546041ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050961
observed 5158b81ad063a0b9356bb741c371087c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:44.540631ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050961
observed 5158b81ad063a0b9356bb741c371087c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:44.522073ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050961/manifest.json
observed b43853b82471d80057a514a66bb4a472...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:44.518274ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050961/manifest.json
observed b43853b82471d80057a514a66bb4a472...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:44.491646ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050961/publication.md
observed bcfdfd0a4b8a707da7be0ffa24c259da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:44.488639ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050961/publication.md
observed bcfdfd0a4b8a707da7be0ffa24c259da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:44.466943ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050961/publication.txt
observed 6a5b09cb0c3c044f9ce31783b8ffa51f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:44.463960ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050961/publication.txt
observed 6a5b09cb0c3c044f9ce31783b8ffa51f...
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.