OpenTechnical

OT-2026-000080495

Publication integrity record

Four cup vacuum gripper, four zone face, per zone isolation, plant vacuum fed, sustained blow-off before set-down

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-2026-000080495) never changes.

Identity and time

Publication numberOT-2026-000080495 · never reused
Internal UUID01a0ae96-7e78-7c36-8064-40a929273e11 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:13.512436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080495
StatusPUBLIC

Content hashes

Canonical textd39e4bdc29ff469da64538e54821caa01d0e58f926b11beed910778fe958a62f
Markdown36a5651caa6ac92f89ad0daed56c22635cd1bf81bb7569d0093a3283869ddf3b
PDF
Publication page7d5056c5995b0a9cd11f704e23217ab29b8441ee5f6d25595e96a7df6a10e593
Manifestdb62d04693d059f3190123c8f3cbde75f1b03c3d1093191f345a383f6725a965

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
Signature3vP5PvEf0wiouxjFoKT7ms69gj+6VXgwN32WxQb1P0ZUtACOFkU5EvRXL2UN4rWpdoZ4cIKoHX2D3v4Fcqx/BA==
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

2026-09-17T10:02:34.849574ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080495
observed 7d5056c5995b0a9cd11f704e23217ab2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:34.833266ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080495/manifest.json
observed db62d04693d059f3190123c8f3cbde75...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:34.816186ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080495/publication.md
observed 36a5651caa6ac92f89ad0daed56c2263...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:34.797954ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080495/publication.txt
observed d39e4bdc29ff469da64538e54821caa0...
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.