OpenTechnical

OT-2026-000100358

Publication integrity record

Two cup vacuum gripper, two zone face, common isolation valve, pump fed, pressure sensor per zone, sustained 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-2026-000100358) never changes.

Identity and time

Publication numberOT-2026-000100358 · never reused
Internal UUID01a0aea3-3054-79f0-975f-f27f7d32b487 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:05.469356Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100358
StatusPUBLIC

Content hashes

Canonical text13c5f55d39319bc3fd084782f401be83414dc3daa0f3535fd56bffa7ef87e996
Markdown4f95c069340b49f8bad501e183802093d3c2f8627882f8d7ea19a3001e47053f
PDF
Publication pageb1119beba13cf03add5180396434f85e05dbbf77e99f92a1e894013e55cadbb7
Manifest79110a7546c204a30911e42d1bc3f5b4142bfc77fe695bcdf976ed81505dd58b

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
Signaturey6AUGXw5bCy1VsxKi/fSrKU7HMa52a1tZ1tkoFSSCSRhe3p/6CRKBu4ZlJo77PeMmbMUOsA5LDIZ6/k5A5UKDw==
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

2026-09-17T09:30:18.648789ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100358
observed b1119beba13cf03add5180396434f85e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:18.629900ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100358/manifest.json
observed 79110a7546c204a30911e42d1bc3f5b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:18.611143ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100358/publication.md
observed 4f95c069340b49f8bad501e183802093...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:18.591807ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100358/publication.txt
observed 13c5f55d39319bc3fd084782f401be83...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:40.919721ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100358
observed b1119beba13cf03add5180396434f85e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:40.900312ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100358/manifest.json
observed 79110a7546c204a30911e42d1bc3f5b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:40.881550ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100358/publication.md
observed 4f95c069340b49f8bad501e183802093...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:40.864421ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100358/publication.txt
observed 13c5f55d39319bc3fd084782f401be83...
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.