OpenTechnical

OT-2026-000039446

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, pulsed blow-off after 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-2026-000039446) never changes.

Identity and time

Publication numberOT-2026-000039446 · never reused
Internal UUID01a0ae78-9675-72ae-a88c-863bb66daba8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:33.573712Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039446
StatusPUBLIC

Content hashes

Canonical text4d93d10888e1d7ccc09e963e6d04f55c70549d2a65bc64157c29825f88b9e828
Markdown7c87ecfbf94bab6619469136ec52c13638dbc7cb3c8f5401c03ce36043997323
PDF
Publication page811bf6160ba0904fabfc21f4090148616d121ab8107610a06a2bcfb2bf94530d
Manifest4d52693ee6209da6157f47e043590d754843f483ba1b99a60129d61b46e0060d

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
Signaturetd56iFA8M46PMGMkgqaHwC2KAnVtGqEDGLXOoUKFxjF1GP5nNWJjJ6bkQHxx7k6L6BR6Tuj3Y0KDvOHQPz5ABQ==
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

2026-09-17T11:21:03.973785ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039446
observed 811bf6160ba0904fabfc21f409014861...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:03.955744ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039446/manifest.json
observed 4d52693ee6209da6157f47e043590d75...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:03.938772ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039446/publication.md
observed 7c87ecfbf94bab6619469136ec52c136...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:03.922087ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039446/publication.txt
observed 4d93d10888e1d7ccc09e963e6d04f55c...
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.