OpenTechnical

OT-2026-000061951

Publication integrity record

Foam pad vacuum gripper, three zone face, four outlet manifold, plant vacuum fed, manifold 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-2026-000061951) never changes.

Identity and time

Publication numberOT-2026-000061951 · never reused
Internal UUID01a0ae8b-b8ad-75b2-8d5b-64953bcc8bf2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:27.528336Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061951
StatusPUBLIC

Content hashes

Canonical text0df55d1ab77ceaee96558d3c19c2fdd1a60701efd1cae9386c607fa658bb994a
Markdown8a835545292398c127422fa6d6b1a335b2f1a7a815f879dd69ab71ab2f4f62e6
PDF
Publication page13b0c39048ca3ca013c0a9e88cabd6ceaa6c15565ed18fe30c2920d024540c75
Manifestfac3f6dac48cd0ddf6033ba224359f410b942b2f5ed4cac88eda22337c193b61

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
SignatureCIUhRjS/s1eI2omS20sAhsozWehZ5VyjMALnCgXEDx3J+OSc/oSfUm6N/0iQEXoKpn5RsegHExGxbR55iGlXCw==
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...

Independent retrieval

2026-09-17T10:40:51.241823ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061951
observed 13b0c39048ca3ca013c0a9e88cabd6ce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:51.218139ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061951/manifest.json
observed fac3f6dac48cd0ddf6033ba224359f41...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:51.177252ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061951/publication.md
observed 8a835545292398c127422fa6d6b1a335...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:51.154088ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061951/publication.txt
observed 0df55d1ab77ceaee96558d3c19c2fdd1...
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.