OpenTechnical

OT-2026-000027259

Publication integrity record

Three cup vacuum gripper, three zone face, three stage ejector, pulsed 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-2026-000027259) never changes.

Identity and time

Publication numberOT-2026-000027259 · never reused
Internal UUID01a0ae72-6996-7e3c-bed1-05f1b90f3be2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:48.928538Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027259
StatusPUBLIC

Content hashes

Canonical textaab91dfc2d87e4a266f0ac4ac0ac37343c771239399c0fcbebc83291aa8ab786
Markdown9a1838d3ecd92cb43d5a37de531e531ffdfc3b50ab23a0c5cd3f8030fb4973b0
PDF
Publication page2f90c2afeea97030f6e62aa496f0e0392c01a1f31699011fec6295e055aeed24
Manifest3551ee2beccd1d25d46afd810395ac2a232f520dd861161f14aa1cdb955359f4

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
SignatureISgY6gFx3S8k3hiqMkuRwhVaYSbI7i2Q4OYPq2aQ/jj2WmnMRLeaMe+MRyqaFO03rPfb4tATWd6FgMDwKQ2mAA==
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

2026-09-17T11:42:37.833605ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027259
observed 2f90c2afeea97030f6e62aa496f0e039...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:37.815034ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027259/manifest.json
observed 3551ee2beccd1d25d46afd810395ac2a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:37.796021ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027259/publication.md
observed 9a1838d3ecd92cb43d5a37de531e531f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:37.778865ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027259/publication.txt
observed aab91dfc2d87e4a266f0ac4ac0ac3734...
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.