OpenTechnical

OT-2026-000100069

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, two stage ejector, pressure sensor per zone, 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-2026-000100069) never changes.

Identity and time

Publication numberOT-2026-000100069 · never reused
Internal UUID01a0aea3-1474-7a26-9af2-8a8cf9fe11f5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:58.336218Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100069
StatusPUBLIC

Content hashes

Canonical text133a5a57bdfa29577ae61325e1ab815e72db3f0720bcbe75b983c3e9a00c202b
Markdowne533aa5c6b3ff6c4c19a3c8be230ef0382b887db7cb15d97be36c6a4bb637f94
PDF
Publication page7af5d92758045bf8f12ea41b3340584d1b24716e4c2de7f4ee0a232bdc7fb11b
Manifest50150fa3e46103080c7547c54242d0bf2acd20a3a05fc14de1dbdee640ee6940

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
SignaturemSJHmS/14fJE2r17pcPrez5X/s//JspJCakjsjlvF1LYfPJMP0LYB1LQUqSsdUrGsuRBZeHv3m7xq9oy3qFWAQ==
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

2026-09-17T09:29:00.980970ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100069
observed 7af5d92758045bf8f12ea41b3340584d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:00.962951ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100069/manifest.json
observed 50150fa3e46103080c7547c54242d0bf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:00.944603ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100069/publication.md
observed e533aa5c6b3ff6c4c19a3c8be230ef03...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:00.927836ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100069/publication.txt
observed 133a5a57bdfa29577ae61325e1ab815e...
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.