OpenTechnical

OT-2026-000032708

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, 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-2026-000032708) never changes.

Identity and time

Publication numberOT-2026-000032708 · never reused
Internal UUID01a0ae75-1071-70d9-80fc-5a1d064b09e5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:42.658092Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032708
StatusPUBLIC

Content hashes

Canonical text7993d313cfda0ee47237d2a4f7cdbfe1b9742546da116beb4c737edfe14f4e3b
Markdown81d6f965c2c802f76963ade6862dbcddd8f4b1a447449d71079a13ec9ce1f97b
PDF
Publication pageeb6d0a4d4995bd2d44712bf1d7be280673a691ed9dcb2aa6f2e67fe3b56883a4
Manifest09fa23083cbc831c3cee45045d37ecf52f81f6eaba176bde50808fc4e955bf4c

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
SignaturewjaBU7ZdaJc876/Ysf3ukxg6yZOOMjsFB1z8DJdf0c0p7OqA1gLmpZUlO6vpWCtFLx59F7xqJLI1oBX14NgxBw==
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

2026-09-17T11:34:19.358350ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032708
observed eb6d0a4d4995bd2d44712bf1d7be2806...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:19.342430ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032708/manifest.json
observed 09fa23083cbc831c3cee45045d37ecf5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:19.326880ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032708/publication.md
observed 81d6f965c2c802f76963ade6862dbcdd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:19.310861ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032708/publication.txt
observed 7993d313cfda0ee47237d2a4f7cdbfe1...
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.