OpenTechnical

OT-2026-000102007

Publication integrity record

Three cup vacuum gripper, three zone face, per zone isolation, pump fed, pulsed blow-off after 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-2026-000102007) never changes.

Identity and time

Publication numberOT-2026-000102007 · never reused
Internal UUID01a0aea4-50f1-7ba4-a4e8-9a134cf32cab · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:19.361569Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102007
StatusPUBLIC

Content hashes

Canonical text550d14cb3138a9ccab42ab4421d6ab1f3a9e4752deed0cf11949dbc60457e246
Markdown74e264a21bb855d7abf2f17270930a1b76da64fae1e9d545dcc07913688b0536
PDF
Publication pageb539ea1bc94be7021f24bf8cefe5aabe063ced122d66435e65e1af1b77abca1f
Manifest19fa9de73fdb308991a8c1d7981c449fd2d0a66a257ac52dd7748e3df56b5880

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
SignatureLgfysI9vRZoSdJxczs6mCrCZvjqC8CKo1oVmDFY8QzBVIPKLGebaBbj5x34xyvvovQiNuY+IIJ5jG0ZkE8wIBQ==
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

2026-09-17T09:25:08.150990ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102007
observed b539ea1bc94be7021f24bf8cefe5aabe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:08.132670ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102007/manifest.json
observed 19fa9de73fdb308991a8c1d7981c449f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:08.114450ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102007/publication.md
observed 74e264a21bb855d7abf2f17270930a1b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:08.095807ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102007/publication.txt
observed 550d14cb3138a9ccab42ab4421d6ab1f...
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.