OpenTechnical

OT-2026-000053667

Publication integrity record

Foam pad vacuum gripper, four zone face, pump fed, 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-2026-000053667) never changes.

Identity and time

Publication numberOT-2026-000053667 · never reused
Internal UUID01a0ae85-0a95-739c-8836-faa71c5165e2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:09.762364Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053667
StatusPUBLIC

Content hashes

Canonical text5ab7846a1646e3804ae71310d1953279026e61169d079d0a1ca1de42a3b690b6
Markdown660157e5055c3bfd572f9c34007a3f6d943e69ddc9ef6e41786f0eb080828237
PDF
Publication pagef89c1c47af618818cadca9c4c77aebbde0cff03428a65fc91b75978fd3ca6ff0
Manifest2b0a3b58e4dc01b0d4c2f5e963b34ffcb9d2f1c73b77332014c186266b2ef8f9

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
SignatureM7kxbVnE1fccLlXRDi4eGgRA3tUD3MaQZKx80+lvLoHsZjXrfD0k7quSD37dbo4LAp13dDUkd9xVba0ueHRWAg==
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

2026-09-17T10:55:33.565614ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053667
observed f89c1c47af618818cadca9c4c77aebbd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:33.547626ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053667/manifest.json
observed 2b0a3b58e4dc01b0d4c2f5e963b34ffc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:33.527785ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053667/publication.md
observed 660157e5055c3bfd572f9c34007a3f6d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:33.508473ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053667/publication.txt
observed 5ab7846a1646e3804ae71310d1953279...
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.