OpenTechnical

OT-2026-000053155

Publication integrity record

Foam pad vacuum gripper, three zone face, plant vacuum fed, supply line pressure sensor, pulsed 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-2026-000053155) never changes.

Identity and time

Publication numberOT-2026-000053155 · never reused
Internal UUID01a0ae84-a432-7755-aaf1-9907d0c03670 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:38:43.524202Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053155
StatusPUBLIC

Content hashes

Canonical text1ba6c09bf465fde685c6a7f12294cae717d9e7cb0503f4a86c14698b3b35801b
Markdowndf6616b0b364d0748a724c9d614ad9b45faa4bb2251e5969fcddbb95da0084cd
PDF
Publication page9c205537097c62fbd4329083741d60339b467eb89e6552ef8629b8be7507e377
Manifestf6f54e0b4ff8aa6358e75bdf28bc50b64d616a03b0e0ab1debe4e9d6da3afed8

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
SignatureaKcNuTsSXvBuG1oRiXE6nLLXOT0WWvvd+S3ip8yuV/UyMJHseAMOylmjbUy3gL6dHavZnWFYLAHA1yA6oZC6Dg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:56:58.506320ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053155
observed 9c205537097c62fbd4329083741d6033...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:58.489987ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053155/manifest.json
observed f6f54e0b4ff8aa6358e75bdf28bc50b6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:58.473495ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053155/publication.md
observed df6616b0b364d0748a724c9d614ad9b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:58.455153ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053155/publication.txt
observed 1ba6c09bf465fde685c6a7f12294cae7...
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.