OpenTechnical

OT-2026-000101190

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, pump fed, pressure sensor per zone, sustained 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-2026-000101190) never changes.

Identity and time

Publication numberOT-2026-000101190 · never reused
Internal UUID01a0aea3-c378-7cc1-93c9-a23893a0ef1e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:43.138721Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000101190
StatusPUBLIC

Content hashes

Canonical text6ab8e9017cfffe700da936663bf5aad59388d2f66a09c5bc2c6047a747290865
Markdown72b4ad45ae37b77829ac79c69fe4efe42324fd5d5623be1c979c8ff97625a9ac
PDF
Publication pagec2782d026785c28a79fe11684b0d2bef1af3801b7a228435b3c7d1bf4a76f72d
Manifeste7edcf1a39960682da2985d54ac3bcc7c40ed69fccd76955e69c63c889033743

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
SignaturefuvXoOL2RGGNhnvCuE9Llf1bPtakl36CqUkS+bZCdlkDTPbRUvxBMWvsiRNJFMaU3Pj+AHrI0SO0js/b/w/iAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:26:50.270700ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101190
observed c2782d026785c28a79fe11684b0d2bef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:50.254288ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101190/manifest.json
observed e7edcf1a39960682da2985d54ac3bcc7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:50.237282ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101190/publication.md
observed 72b4ad45ae37b77829ac79c69fe4efe4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:50.220231ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101190/publication.txt
observed 6ab8e9017cfffe700da936663bf5aad5...
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.