OpenTechnical

OT-2026-000076839

Publication integrity record

Four cup vacuum gripper, four zone face, per zone isolation, pump fed, pressure sensor per zone, pulsed blow-off before set-down

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-2026-000076839) never changes.

Identity and time

Publication numberOT-2026-000076839 · never reused
Internal UUID01a0ae94-b070-7ef9-bbfa-5b69c097932b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:15.236414Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076839
StatusPUBLIC

Content hashes

Canonical text2c773929eec29adddc65c9cff9ae8d221c1731d363439b33fd4515076ac7c42a
Markdown9b69569ebdf1b8dbd360a0de70e97cf9a7f7194c6243dba6fd80a34294ef443e
PDF
Publication paged41a7c10f0b495f038701bacaf01936faacc6716b1168f78e6441e6e0c68d4a1
Manifest678e7bc6e098a6ce40a3e71fc09a3547b4d16a1d2d31043aa1f45b1685d8eb19

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
SignaturecgWP9n/qjyQNbQ27xJoCQec+qhIW3O8VVreFtGhg9qfomaHna+tLiXndq5AJRLsEsil85jcsuP/Dw9xsePc3AA==
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

2026-09-17T10:09:43.423320ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076839
observed d41a7c10f0b495f038701bacaf01936f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:43.403857ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076839/manifest.json
observed 678e7bc6e098a6ce40a3e71fc09a3547...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:43.385353ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076839/publication.md
observed 9b69569ebdf1b8dbd360a0de70e97cf9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:43.365878ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076839/publication.txt
observed 2c773929eec29adddc65c9cff9ae8d22...
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.