OpenTechnical

OT-2026-000065155

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, three stage ejector, 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-2026-000065155) never changes.

Identity and time

Publication numberOT-2026-000065155 · never reused
Internal UUID01a0ae8e-1df9-7b88-93cb-80a64525a1dd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:04.519862Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000065155
StatusPUBLIC

Content hashes

Canonical text62073dec54d4e316d6d07ef8e7dc43d34b54de960b421bf666028cebf919aa99
Markdown043f6235dd7cae6c535dd835a53f67cb390dd2982f60ed3ed6864a16fb40455e
PDF
Publication page9bf7ee734b8480695886d6796552feda8d037b9f2e1e332aedf3ff5a4e21a32c
Manifestbd772dd716bfcb4a271604bc41562c0f5d9d1a90774619df827cdec7dbf5673a

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
SignatureMGWbacD8/jj7R5yw+aWL0Ld+K3tBJSSnftaDuVo1VjWJM1qLaXQj585Q3bKNYVbMzzcW9h10FZtfwvfPMsCjCA==
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

2026-09-17T10:34:59.563925ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065155
observed 9bf7ee734b8480695886d6796552feda...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:34:59.545957ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065155/manifest.json
observed bd772dd716bfcb4a271604bc41562c0f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:34:59.527347ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065155/publication.md
observed 043f6235dd7cae6c535dd835a53f67cb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:34:59.509361ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065155/publication.txt
observed 62073dec54d4e316d6d07ef8e7dc43d3...
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.