OpenTechnical

OT-2026-000041662

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, sustained blow-off after set-down

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-2026-000041662) never changes.

Identity and time

Publication numberOT-2026-000041662 · never reused
Internal UUID01a0ae79-e8a0-73a7-ae3f-c09e8634e3f9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:00.220789Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041662
StatusPUBLIC

Content hashes

Canonical text8d0ac8aa89c89231f84d7d1ebd7cb2cf4089a7e19f14bca26231bd1a146521a3
Markdown37a48b0fa3f64a5d7acd20f653c587c447365001a947bd3b5468062fa5cb2232
PDF
Publication pagedb4b02acb1e9ad248b95ae05d56bbab4536c0ab8a5a81bc0a2b88468a924e6cf
Manifesta8d4248a9b99121ba248cc5a0e92fe2fead8f0f8efbfe68c55ca3ead3b197375

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
SignatureyZixK5EZfhWyDrPO35mkJ1iYniSO/z4xH2G4rLQKTxHr/11cawJ011LMTcVk+rDFezWedJoIPW/aUMr9J9A5Bw==
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

2026-09-17T11:16:28.047753ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041662
observed db4b02acb1e9ad248b95ae05d56bbab4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:28.030219ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041662/manifest.json
observed a8d4248a9b99121ba248cc5a0e92fe2f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:28.010835ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041662/publication.md
observed 37a48b0fa3f64a5d7acd20f653c587c4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:27.993534ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041662/publication.txt
observed 8d0ac8aa89c89231f84d7d1ebd7cb2cf...
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.