OpenTechnical

OT-2026-000048839

Publication integrity record

Foam pad vacuum gripper, two zone face, two outlet manifold, two stage ejector, pressure sensor per zone, 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-2026-000048839) never changes.

Identity and time

Publication numberOT-2026-000048839 · never reused
Internal UUID01a0ae80-c32d-758f-a4e6-ad7a8a67afb0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:34:29.321882Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048839
StatusPUBLIC

Content hashes

Canonical text268a8ab3ac876cb4057a77edabd87d89c9642510795a9b8ddca836d8c32f559d
Markdown937fa622a3682df50de9a19e242557392c969033b8173efe6bacdfbdb25e9200
PDF
Publication page812c964f74bbba88009a42242e8f415133d10c4d7b95ad0bcd59d065c63f7bae
Manifest6b4ae05639eb01a7125ec66c44ae12ff4000b41712d3d62cb187075246c77478

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
Signaturesy1PHz4aOVfaB5cuoZMnwPiTLxe2g3l8zunRxCr8dM9Co5eXJ3XLfSm6B1XoDHH18bjip2LliM6YbgLCTPODAw==
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

2026-09-17T11:04:38.029466ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048839
observed 812c964f74bbba88009a42242e8f4151...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:38.010477ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048839/manifest.json
observed 6b4ae05639eb01a7125ec66c44ae12ff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:37.992290ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048839/publication.md
observed 937fa622a3682df50de9a19e24255739...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:37.973954ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048839/publication.txt
observed 268a8ab3ac876cb4057a77edabd87d89...
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.