OpenTechnical

OT-2026-000065663

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, plant vacuum fed, pressure sensor per zone, 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-2026-000065663) never changes.

Identity and time

Publication numberOT-2026-000065663 · never reused
Internal UUID01a0ae8e-46fa-79b7-a183-49ad27599ece · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:15.018480Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000065663
StatusPUBLIC

Content hashes

Canonical text0b6d488120d126cc5decb46253939596b7bbf5f8f8bc7d51d2210d40ee0290e7
Markdowndd408feb077c15a02d73aed9feb903eab575bd1b89f2379738317396283afed2
PDF
Publication page5debd4e9a93ac8a6adb8862974fee03aebf8a1d209d89f8082d934c6f2fbf5cc
Manifestf39627e2c34089f131a3ec3b664bb152a567b87848ca2a11669bce6759fdecba

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
SignatureoTj7koPEAFbsPvDCnDOD+U/1VEs304iQIW84Um55Jl+et8I3hRNJL4YwGiddJ6oefsvpNBunHfaa2Y6pVglgAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:34:04.167464ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065663
observed 5debd4e9a93ac8a6adb8862974fee03a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:34:04.149788ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065663/manifest.json
observed f39627e2c34089f131a3ec3b664bb152...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:34:04.129588ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065663/publication.md
observed dd408feb077c15a02d73aed9feb903ea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:34:04.112395ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065663/publication.txt
observed 0b6d488120d126cc5decb46253939596...
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.