OpenTechnical

OT-2026-000029875

Publication integrity record

Foam pad vacuum gripper, four zone face, common isolation valve, plant vacuum fed, 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-2026-000029875) never changes.

Identity and time

Publication numberOT-2026-000029875 · never reused
Internal UUID01a0ae73-ac47-709d-873d-91b1cdf35cd4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:11.501096Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029875
StatusPUBLIC

Content hashes

Canonical text306d9021aa669a916d03f1ad021de77f9b9e08d3bc846ce437ecb0941f617723
Markdown0cdeb734a73f5708a87e5c261e23da2461d58377ae25b19cdc37bf941d1ac50b
PDF
Publication page8d7291dcf1960c50ba8d877d4d8274d05191493cad11161cddaa4ff00381e3f1
Manifeste46ca013df0ce84acd1145202c4d538d3610b2a74cc9b290f1616dee3957bd24

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
SignatureWErVfTwk06uMLZ35VbtUUk2jaFUH6P19Bb/Np1ecteRR0tAmqEhLdxlg13cPT27r/Bmc6KZfh6sckCmyx6XrAQ==
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

2026-09-17T11:38:34.324752ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029875
observed 8d7291dcf1960c50ba8d877d4d8274d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:34.302854ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029875/manifest.json
observed e46ca013df0ce84acd1145202c4d538d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:34.286352ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029875/publication.md
observed 0cdeb734a73f5708a87e5c261e23da24...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:34.269220ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029875/publication.txt
observed 306d9021aa669a916d03f1ad021de77f...
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.