OpenTechnical

OT-2026-000088148

Publication integrity record

Foam pad vacuum gripper, three zone face, common isolation valve, single stage ejector, 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-2026-000088148) never changes.

Identity and time

Publication numberOT-2026-000088148 · never reused
Internal UUID01a0ae9b-1aa8-7fa7-b67c-d4f8025f453d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:15.638297Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088148
StatusPUBLIC

Content hashes

Canonical textbc66dc6566166ca15b2f92d472ae3802543a430b7bf51c5ab37e0c8d57e032c4
Markdowna3a566b6d017d8a088d9249ce3f5e2888375f4463e82ab638a75623db240d328
PDF
Publication pagef2882be96e1ee812d7b735d7eb0c0ce2e83555d5a60cc71b212c6c17353aa861
Manifest13c543f132c40f9189b2c02c4f15a25a94a5d68e204160eb573345aa02836b3d

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
Signature+aTb55/FLhW9dY2xLE3AlrZDPIWpHLLmd5npIB1CJ2Wh43TBlw10aaiU1wvi5E4EMaYvSBlt06nd521uCuq/Dw==
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

2026-09-17T09:50:11.093844ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088148
observed f2882be96e1ee812d7b735d7eb0c0ce2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:11.078125ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088148/manifest.json
observed 13c543f132c40f9189b2c02c4f15a25a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:11.062439ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088148/publication.md
observed a3a566b6d017d8a088d9249ce3f5e288...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:11.046906ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088148/publication.txt
observed bc66dc6566166ca15b2f92d472ae3802...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:10.424924ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088148
observed f2882be96e1ee812d7b735d7eb0c0ce2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:10.399301ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088148/manifest.json
observed 13c543f132c40f9189b2c02c4f15a25a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:10.375295ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088148/publication.md
observed a3a566b6d017d8a088d9249ce3f5e288...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:10.359637ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088148/publication.txt
observed bc66dc6566166ca15b2f92d472ae3802...
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.