OpenTechnical

OT-2026-000022044

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, plant vacuum fed, manifold 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-2026-000022044) never changes.

Identity and time

Publication numberOT-2026-000022044 · never reused
Internal UUID01a0ae6f-bb5c-7004-a213-a45aa0b5f769 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:53.201585Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022044
StatusPUBLIC

Content hashes

Canonical text01a841ab5183b337896b364bb6a0871e246bd22a5466235ab5acb11622ced70d
Markdown68ce2f016c8af024dc85db7edcdae5eeb97812699b610893d94ab2b78a7ecb59
PDF
Publication page64c587195a145e04259a53fb437b755e74e931b01f103574a3fb3b2e293257f6
Manifest9113509f7020ee2f2e7aad4ebb50889d0a8a6fe5bb2f35aa1d21be1e16fc474d

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
SignaturecyQmOFZeDRlBtdv0NPqYwCXy7dyLC+VxP7iIfN3rKfM0USIHcp/KS8gzPVtEDkUBHx6EyQ1f793u4KppJ1lLDQ==
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

2026-09-17T11:54:44.071355ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022044
observed 64c587195a145e04259a53fb437b755e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:44.055594ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022044/manifest.json
observed 9113509f7020ee2f2e7aad4ebb50889d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:44.036722ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022044/publication.md
observed 68ce2f016c8af024dc85db7edcdae5ee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:44.019611ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022044/publication.txt
observed 01a841ab5183b337896b364bb6a0871e...
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.