OpenTechnical

OT-2026-000101802

Publication integrity record

Four cup vacuum gripper, four zone face, pump fed, pulsed blow-off 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-2026-000101802) never changes.

Identity and time

Publication numberOT-2026-000101802 · never reused
Internal UUID01a0aea4-0e17-705f-b59d-2dd28c01a8b4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:02.278025Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000101802
StatusPUBLIC

Content hashes

Canonical text723be118a234580ce9356eab06d33f8eeec547f75d4d0010752bd76c6f6a2c28
Markdown26e1aa8d375588bdff927a77b8d6fc73c857392e7e5d099fdaa4747fabbed449
PDF
Publication page01fe476974d4b670cf7e29e77ac5d5f54e6c6cecd32831c77d2638987d4d8019
Manifest8cec61e8b79c6a02708996574fe2da15312bad7bce04015af9aab49110c54f1d

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
SignaturecigNhk9F380S0MhR50wOUH33IzneDhv18SBlEmzIqfmud9cawMCDaPzZKlAE2obOFDsecfXf168S8dFq57v7CA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:26:17.880704ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101802
observed 01fe476974d4b670cf7e29e77ac5d5f5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:17.865041ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101802/manifest.json
observed 8cec61e8b79c6a02708996574fe2da15...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:17.850619ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101802/publication.md
observed 26e1aa8d375588bdff927a77b8d6fc73...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:17.834734ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101802/publication.txt
observed 723be118a234580ce9356eab06d33f8e...
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.