OpenTechnical

OT-2026-000010479

Publication integrity record

Two cup vacuum gripper, two zone face, four outlet manifold, 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-2026-000010479) never changes.

Identity and time

Publication numberOT-2026-000010479 · never reused
Internal UUID01a0ae6c-0ee7-7413-9ce6-c4ab3e6bf5e9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:52.445886Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000010479
StatusPUBLIC

Content hashes

Canonical text4d89cff1c87cd957f1b0472544ee156b19e52de88fa252f4ef438b091693497b
Markdown93de30c427f0e78c3fc2aca65ba76d3c86154ecff8e316cc77d51610c74e5ca0
PDF
Publication pagec57b5579994030253285cb3de71e791d1c8ffb5564d5abd9a301ff468d3ba5ed
Manifest4ef025ecf2e2a9038cae2e930b52cbad9f6d4ffee4a878f4074a83268f099f7a

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
Signature1aK8qpkyS5/CjlrunsRIg2ApU9KUtG6MOBIb+85UkrNDZyYZsmBEDq3pITh5uIQd2+1Y1xdZO2loiJzUyj2jBA==
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

2026-09-17T12:14:37.448134ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010479
observed c57b5579994030253285cb3de71e791d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:37.428898ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010479/manifest.json
observed 4ef025ecf2e2a9038cae2e930b52cbad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:37.410011ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010479/publication.md
observed 93de30c427f0e78c3fc2aca65ba76d3c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:37.389959ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010479/publication.txt
observed 4d89cff1c87cd957f1b0472544ee156b...
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.