OpenTechnical

OT-2026-000100463

Publication integrity record

Three cup vacuum gripper, three zone face, common isolation valve, 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-2026-000100463) never changes.

Identity and time

Publication numberOT-2026-000100463 · never reused
Internal UUID01a0aea3-66ef-7920-9e62-2c76a606065c · 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-2026-000100463
StatusPUBLIC

Content hashes

Canonical text7ebd1bd5bd07be880de0dff8c6de4e18ef1e7f058eb92648b90fb0b39a15e878
Markdownfafc3f4bcad8c8820e5a2ae625c5260f23a69aceb23ec2bd402f38121573cd66
PDF
Publication page259346b51a9afc167b6f7baaf82063f56fe26734a99f8add4c864eee08734e15
Manifest6299e686e7504d7e903c5f2665128ed6a3f75df6c12e4b7a1e36cde0dfa8385d

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
SignatureoNuPXfntf/XYsBp+PfAVgbgAgXk1frRBKByIW6IxceQNumtVnZSKmD7sc0mt5V0uVjkc2qW0iL7nPePWzqDZBw==
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

2026-09-17T09:27:12.787077ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100463
observed 259346b51a9afc167b6f7baaf82063f5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:12.768447ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100463/manifest.json
observed 6299e686e7504d7e903c5f2665128ed6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:12.749447ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100463/publication.md
observed fafc3f4bcad8c8820e5a2ae625c5260f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:12.731807ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100463/publication.txt
observed 7ebd1bd5bd07be880de0dff8c6de4e18...
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.