OpenTechnical

OT-2026-000038311

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, two stage ejector, supply line pressure sensor, pulsed blow-off before 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-2026-000038311) never changes.

Identity and time

Publication numberOT-2026-000038311 · never reused
Internal UUID01a0ae78-2d51-7b36-a221-63a004b43aa6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:06.661829Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038311
StatusPUBLIC

Content hashes

Canonical text668e2fdb012470e09b6dba7507eb89026bc45abb54c3c64b7a6ae1032fe1cc33
Markdown297b1a0b9d9ddeda047a912b630fa450e13ff5698ca3b2a8bcdf2ae307c95303
PDF
Publication page25e657cfb8f5c057cff8ea7305c6987bacae09ebd1af103de11f975f9696c687
Manifest09972c531d8708bafc87816721385b899e828504536ef79eb8179633a3d4ac06

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
SignatureKKw/ICsEJL64IjaZxuqs3UhVDwDCP6EzgK40s58sy2QTok0aKE+ctWau2n1AgAb7RsA9bFq6YUyQJXGgh/gqDw==
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

2026-09-17T11:22:29.078892ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038311
observed 25e657cfb8f5c057cff8ea7305c6987b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:29.059593ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038311/manifest.json
observed 09972c531d8708bafc87816721385b89...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:29.039037ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038311/publication.md
observed 297b1a0b9d9ddeda047a912b630fa450...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:29.019060ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038311/publication.txt
observed 668e2fdb012470e09b6dba7507eb8902...
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.