OpenTechnical

OT-2026-000100699

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three 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-2026-000100699) never changes.

Identity and time

Publication numberOT-2026-000100699 · never reused
Internal UUID01a0aea3-66f3-728d-8f7e-ab4740ae004c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:19.463543Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100699
StatusPUBLIC

Content hashes

Canonical textd29a5b122ceaab4f0aff84b3762879fd769455d92a5d48905fd24eb4fc0aa4bb
Markdown1d755b023ff5c477efb9e72daa8b54117d83ffcdf1810c8445a1eba697ea4b0d
PDF
Publication pagef96e49f74c258caa7ad290ebfc806612721842d8753de87174df8bc8f0dca920
Manifest4b9cd50da1796d0740f1cb1edef0afc6a5cd9a3237c48a4ccdc0357826e6747b

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
SignatureFi9AFgZHovxbak3l4y4dt80sRu7mzoPZpbCJ5fusOxig2gqS367GSlJqPphYSPD+kPMOULGfi55bmEr77uz7AQ==
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

2026-09-17T09:27:31.076459ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100699
observed f96e49f74c258caa7ad290ebfc806612...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:31.060775ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100699/manifest.json
observed 4b9cd50da1796d0740f1cb1edef0afc6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:31.044533ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100699/publication.md
observed 1d755b023ff5c477efb9e72daa8b5411...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:31.028919ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100699/publication.txt
observed d29a5b122ceaab4f0aff84b3762879fd...
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.