OpenTechnical

OT-2026-000009994

Publication integrity record

Four cup vacuum gripper, four zone face, per zone isolation, pump fed, vented after 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-2026-000009994) never changes.

Identity and time

Publication numberOT-2026-000009994 · never reused
Internal UUID01a0ae6b-cb79-7273-8f3b-65bc1cb7c23b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:35.184400Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000009994
StatusPUBLIC

Content hashes

Canonical text93d2fe7dce08130646ea1839863c7a26cb7f2911b82f6273439576d0b10ad50a
Markdown0b1df7cd8d40f524dacabfcc69a256339822f6f3ac2ef1100a465b742acfd49c
PDF
Publication page0d5526d3afbbecbf8d2d5ce0a315fd03d99c8af955aa073395e0a0cf0c73c2a8
Manifestc40d6ef0a79a997b44ce7e16ec00dbd3c1ed99377c14a09731f8f8f3d9f2100b

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
SignaturexT8dL7+0Zb7ssYyrAi1LeEu5Lj0BwHj02HZTd88wFjm6TS6T1hoPpiG5vV1ilCQEii8CIm8MikODisIfctlPCg==
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

2026-09-17T12:16:02.556531ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009994
observed 0d5526d3afbbecbf8d2d5ce0a315fd03...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:02.539552ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009994/manifest.json
observed c40d6ef0a79a997b44ce7e16ec00dbd3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:02.522533ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009994/publication.md
observed 0b1df7cd8d40f524dacabfcc69a25633...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:02.505328ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009994/publication.txt
observed 93d2fe7dce08130646ea1839863c7a26...
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.