OpenTechnical

OT-2026-000036571

Publication integrity record

Foam pad vacuum gripper, two zone face, common isolation valve, pump 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-2026-000036571) never changes.

Identity and time

Publication numberOT-2026-000036571 · never reused
Internal UUID01a0ae77-46e7-7b95-be6d-0f59189d3d7a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:07.671965Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000036571
StatusPUBLIC

Content hashes

Canonical textdc299c2b18339d3bb01783701a8e1951e5973668600d780eaea7d0ef30222914
Markdownd2fe01637e54be03d78ae4dd8af630fa877a11dad500a950ff2b36f485761308
PDF
Publication pageafcdb96638366b585943e7f10b0c47d792cb7df78b2e8fc853aece4246338088
Manifest3b55ee29c01a5ddc1f92de778786b38cb3f0fb4e7f7c22afacc99297b40af03f

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
Signature1hrQt7NNHbcmo9fKDe6tY1mGLUTivE8C8QMBuJ3vCjXfad3keBVzCX7ns65kGYW7nPfSxkiX/QRwaP4fDR3QCQ==
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

2026-09-17T11:25:47.543336ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036571
observed afcdb96638366b585943e7f10b0c47d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:25:47.526428ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036571/manifest.json
observed 3b55ee29c01a5ddc1f92de778786b38c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:25:47.508898ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036571/publication.md
observed d2fe01637e54be03d78ae4dd8af630fa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:25:47.492604ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036571/publication.txt
observed dc299c2b18339d3bb01783701a8e1951...
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.