OpenTechnical

OT-2026-000011859

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, two stage ejector, pulsed 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-2026-000011859) never changes.

Identity and time

Publication numberOT-2026-000011859 · never reused
Internal UUID01a0ae6d-1941-7f10-8a8a-c3e13219d08d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:00.631271Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011859
StatusPUBLIC

Content hashes

Canonical text98cce7e56b67647de5eab1f54035b0a719651a4a6ac7b392b77082173e30dd8b
Markdownf52416ceb6d98d049c099580a1d86ae5ebe6f3b0be8715020c718b54c38fe548
PDF
Publication pageace1239072522cc511ce0b9959fddd8096f64ddbc5b437e81653dd19314be96d
Manifest66ca88441b45cb74c7cc6e2ba281df9fa3e0c71a6fd11b7913374fa6a50ca63c

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
SignatureXp6PhwJxP15ffSxlUNND7/pgO2ZorB4TMJinvQIgsPPnVrMMe/mgF9luB0VzMy3KaGakLPSe1ghi9TXJd3GTAQ==
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

2026-09-17T12:12:36.225818ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011859
observed ace1239072522cc511ce0b9959fddd80...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:36.207240ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011859/manifest.json
observed 66ca88441b45cb74c7cc6e2ba281df9f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:36.186457ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011859/publication.md
observed f52416ceb6d98d049c099580a1d86ae5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:36.166998ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011859/publication.txt
observed 98cce7e56b67647de5eab1f54035b0a7...
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.