OpenTechnical

OT-2026-000020369

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, 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-2026-000020369) never changes.

Identity and time

Publication numberOT-2026-000020369 · never reused
Internal UUID01a0ae6f-437b-73e0-8b6a-8db892e526a3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:22.507199Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000020369
StatusPUBLIC

Content hashes

Canonical texteeec32eb1174d57b9370fe04e680ff68199d7b0962d2f567eca21f6b9886608c
Markdown8ef23f61ae9ca7ad6d41e0fda5719be1352153eafb7c02e7b9fd74f6d1fca709
PDF
Publication page52e370f8c27269c9180c6bb95e1f927f77d283b2e8a7628f3641e1728e98eb76
Manifest3c600f376aa59ef4efaf64d19ba61a4aa4e1bbb4de51b1daee8dcd2d1192105c

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
SignatureOLdaPaxGrcUzk5w3AK+BbOwyIQVSH6YcXq4qP+IM8S6Q78k6j6OBRAxe8X5BH0ilKnc/ZeKMq4upysX9zU6SBQ==
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

2026-09-17T12:00:10.391668ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020369
observed 52e370f8c27269c9180c6bb95e1f927f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:10.366273ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020369/manifest.json
observed 3c600f376aa59ef4efaf64d19ba61a4a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:10.333802ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020369/publication.md
observed 8ef23f61ae9ca7ad6d41e0fda5719be1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:10.304528ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020369/publication.txt
observed eeec32eb1174d57b9370fe04e680ff68...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:20.052966ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020369
observed 52e370f8c27269c9180c6bb95e1f927f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:20.034216ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020369/manifest.json
observed 3c600f376aa59ef4efaf64d19ba61a4a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:20.015395ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020369/publication.md
observed 8ef23f61ae9ca7ad6d41e0fda5719be1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:19.992686ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020369/publication.txt
observed eeec32eb1174d57b9370fe04e680ff68...
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.