OpenTechnical

OT-2026-000087759

Publication integrity record

Two cup vacuum gripper, two zone face, per zone isolation, two stage ejector, supply line pressure sensor, 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-2026-000087759) never changes.

Identity and time

Publication numberOT-2026-000087759 · never reused
Internal UUID01a0ae9b-1aa4-7afb-81eb-068af7ddeffa · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:15.638297Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087759
StatusPUBLIC

Content hashes

Canonical text162cba548d43cdef708af2a078553ecc800dd98fe7d37ef07cda7f28fb140bb0
Markdown9d6616a67e70aff7691abab3385d675f73398b022e3109a9cdd44613e5f637e0
PDF
Publication page9b59ebb82a300d74c6f3727fbc16fa71f8f863aba5cab1ed195330edeb224016
Manifestb01a4bf5253d25ef952b59824a4abc8b2b2025d937780c9fb2feee6fc796e9b6

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
SignaturePZ6Xk/Z3IuOktbF+u8/z4lrlkSi5Eraux7y9Oe18+nwQXX1ylBx9jjAW5UW5SD8hqbO1eTRdkhSYZS6cPUavCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:48:57.295934ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087759
observed 9b59ebb82a300d74c6f3727fbc16fa71...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:57.276433ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087759/manifest.json
observed b01a4bf5253d25ef952b59824a4abc8b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:57.256376ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087759/publication.md
observed 9d6616a67e70aff7691abab3385d675f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:57.025455ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087759/publication.txt
observed 162cba548d43cdef708af2a078553ecc...
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.