OpenTechnical

OT-2026-000045835

Publication integrity record

Foam pad vacuum gripper, four zone face, single 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-2026-000045835) never changes.

Identity and time

Publication numberOT-2026-000045835 · never reused
Internal UUID01a0ae7d-8f05-7eea-a8fa-e43e984400a5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:59.492045Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045835
StatusPUBLIC

Content hashes

Canonical text12f05cf88b92953139d7cbec01ccb0ad9e9871ac665298c9948b655c1105e272
Markdownef6ee8a0215abe2ce1bc5e90195975b3a3a452fd458950449f8abddb1b304cbc
PDF
Publication page43ddf4e38c310e33097268e929f8223a63e25c85a285384ae8024b17796853a8
Manifestd9b3d5b1a5db26d284426ee63c9b280353929c6cbd3a9165e18a576264c6e0a5

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
Signatureu4+Q6QaEUCXOSqephB3dkdWSPbPYpaGRXHLzvaBWHADOm4YvKAhzENghGbjOjF8xkpc/Hgh2MYzE5vX3AGiVCw==
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

2026-09-17T11:09:42.762583ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045835
observed 43ddf4e38c310e33097268e929f8223a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:42.744232ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045835/manifest.json
observed d9b3d5b1a5db26d284426ee63c9b2803...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:42.726831ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045835/publication.md
observed ef6ee8a0215abe2ce1bc5e90195975b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:42.706603ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045835/publication.txt
observed 12f05cf88b92953139d7cbec01ccb0ad...
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.