OpenTechnical

OT-2026-000025883

Publication integrity record

Foam pad vacuum gripper, three zone face, six outlet manifold, single stage ejector, 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-2026-000025883) never changes.

Identity and time

Publication numberOT-2026-000025883 · never reused
Internal UUID01a0ae71-a83e-7993-8f83-9cb89db02d41 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:59.376802Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025883
StatusPUBLIC

Content hashes

Canonical text3aa27f69ed686186f6ad48907cafc604d12944feacc2fb5363812cdad2ee12b3
Markdown7b5187ae8d865e0df0b081c90ce03411e99deb7132c55343eebbd044e3863780
PDF
Publication pagec457db4bacabfff61616415a4d9cb68fe30c579e909b79eed991fb36869e3668
Manifest8a9215e880e8bff3e4b91301f93edd2b43c3d7e67421b3c6cd3bed84e5a6608c

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
SignaturenIBAEbNDqzb7saya9EDVH4Lrq6Rj5OEJ1qu1tBRafkm+whqXsNLqpz8OPLYZu+OXKiRUsZztWQxjwxO3QuSFBA==
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

2026-09-17T11:46:13.275333ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025883
observed c457db4bacabfff61616415a4d9cb68f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:13.255716ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025883/manifest.json
observed 8a9215e880e8bff3e4b91301f93edd2b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:13.219233ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025883/publication.md
observed 7b5187ae8d865e0df0b081c90ce03411...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:13.178640ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025883/publication.txt
observed 3aa27f69ed686186f6ad48907cafc604...
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.