OpenTechnical

OT-2026-000013635

Publication integrity record

Foam pad vacuum gripper, three zone face, per zone isolation, pump fed, pulsed 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-2026-000013635) never changes.

Identity and time

Publication numberOT-2026-000013635 · never reused
Internal UUID01a0ae6d-8de8-7e01-a8c3-fc2fb7c126a8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:30.489074Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013635
StatusPUBLIC

Content hashes

Canonical textf5ec65db6307f23308c2ef24f780582f50c80b25362cc5ae1e501e14d2972baf
Markdown4d099345c557b12e057452ebcfb4440cb1402e7ffdea0ea46525b84c425373f1
PDF
Publication page42470d72fbb49cd5097daf6f429234678872a3bdd1059305d0863beb1d4f5f88
Manifest08e494c3d5782b4023c929fb5b50d29bc1756182b5408bc2f5d637dbb521cbb5

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
SignaturesVhwAUAaSSnbz3E9rr+3oZNCjgFQEJZ4gidjApLhdtbeblFgEonEp4wyIqjZLoC3Z6+FEwpDb88kBQe7elITCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T12:10:33.178908ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013635
observed 42470d72fbb49cd5097daf6f42923467...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:33.159117ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013635/manifest.json
observed 08e494c3d5782b4023c929fb5b50d29b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:33.139772ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013635/publication.md
observed 4d099345c557b12e057452ebcfb4440c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:33.120535ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013635/publication.txt
observed f5ec65db6307f23308c2ef24f780582f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:34.202933ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013635
observed 42470d72fbb49cd5097daf6f42923467...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:34.185194ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013635/manifest.json
observed 08e494c3d5782b4023c929fb5b50d29b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:34.165436ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013635/publication.md
observed 4d099345c557b12e057452ebcfb4440c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:34.145799ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013635/publication.txt
observed f5ec65db6307f23308c2ef24f780582f...
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.