OpenTechnical

OT-2026-000014543

Publication integrity record

Foam pad vacuum gripper, three zone face, common isolation valve, single stage ejector, 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-2026-000014543) never changes.

Identity and time

Publication numberOT-2026-000014543 · never reused
Internal UUID01a0ae6d-b27b-75c2-aea4-65b2bf606285 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:39.853300Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000014543
StatusPUBLIC

Content hashes

Canonical text037d401a0fcb0b7f210e13d798b77af715be510b5063ebae2d714562d02bf6de
Markdown29e3f790541513783627392ffd8c7bb04386af35b324fe14c8e744cb70b4d83c
PDF
Publication pageae7531316f33300c3b00bf93fcc356d0295e50d5c67a2709365aa5e2b48d1797
Manifest437c6eb120ff94168164e2b3d36d46967e4080dc8adfc90bd24d92deb4148389

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
SignatureoNNoN4eHsy/LfxpkBOisvcs7nUfN1Z1yFUUewJqdKcS+iAIAy/ay8JxeCtaM35ufGPAW+PsIY5uy5gQzjC0TCQ==
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

2026-09-17T12:10:23.499636ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014543
observed ae7531316f33300c3b00bf93fcc356d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:23.481578ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014543/manifest.json
observed 437c6eb120ff94168164e2b3d36d4696...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:23.460841ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014543/publication.md
observed 29e3f790541513783627392ffd8c7bb0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:23.442110ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014543/publication.txt
observed 037d401a0fcb0b7f210e13d798b77af7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:26.630276ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014543
observed ae7531316f33300c3b00bf93fcc356d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:26.612091ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014543/manifest.json
observed 437c6eb120ff94168164e2b3d36d4696...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:26.592996ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014543/publication.md
observed 29e3f790541513783627392ffd8c7bb0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:26.574108ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014543/publication.txt
observed 037d401a0fcb0b7f210e13d798b77af7...
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.