OpenTechnical

OT-2026-000088223

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, pump fed, 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-2026-000088223) never changes.

Identity and time

Publication numberOT-2026-000088223 · never reused
Internal UUID01a0ae9b-1aa9-7950-982f-efa089a552c9 · 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-2026-000088223
StatusPUBLIC

Content hashes

Canonical text07608f5a35ad26253a7ce6e4ada19f1218707760a7019c4db7604ca7102eeeb7
Markdown71649dd5352ff6b2466f4f582e1f700edce31d43eedc37897f698fefca825f56
PDF
Publication pagee3fa2ea147bf71059ce728aaaa5dbc10300e04c1cc9f3f4c3a7946576e8114fd
Manifestef78ec48e2f4cd25d9d8b3ced8862f1ae3a51268d8251000af621530608340f8

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
SignatureIPnwPCLK62zBRnY2l8qjauPMLcZTXhj63QsekFq7o/OHGbckP7Kd3DcTviKevqQF1nHhXb0ZCILiQpjirNoLCQ==
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

2026-09-17T09:50:17.900835ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088223
observed e3fa2ea147bf71059ce728aaaa5dbc10...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:17.876048ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088223/manifest.json
observed ef78ec48e2f4cd25d9d8b3ced8862f1a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:17.855784ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088223/publication.md
observed 71649dd5352ff6b2466f4f582e1f700e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:17.831514ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088223/publication.txt
observed 07608f5a35ad26253a7ce6e4ada19f12...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:17.334197ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088223
observed e3fa2ea147bf71059ce728aaaa5dbc10...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:17.315900ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088223/manifest.json
observed ef78ec48e2f4cd25d9d8b3ced8862f1a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:17.298919ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088223/publication.md
observed 71649dd5352ff6b2466f4f582e1f700e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:17.278550ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088223/publication.txt
observed 07608f5a35ad26253a7ce6e4ada19f12...
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.