OpenTechnical

OT-2026-000101650

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three stage ejector, pulsed blow-off after 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-2026-000101650) never changes.

Identity and time

Publication numberOT-2026-000101650 · never reused
Internal UUID01a0aea4-0e16-7c71-9410-6239b8230593 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:02.278025Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000101650
StatusPUBLIC

Content hashes

Canonical text44a4d5e34819fba2281cd15350dfac320c753f7f157e02bc55a8f75442feb70f
Markdown4e7beca02288583325d5350ce46f3d9445c86604c763f99b23ea189f6fe1259a
PDF
Publication page611b3dc5c35243727bbb09a9fc0c0102b7f6f5fde9da9c39e380d63f40f28f02
Manifestde39313ab7db9f7df0481c85d0a9f552d7ee8d1249b8121186b4cc96e4c92a5a

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
SignaturejBFa2y0dD/5Zdn03Co6kdycBKQXiMlzdajyqqIZT5y2R0JGiT93uZuuEXWtr2rdfmA1TI3peldbAG5JDrnU7Dg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:25:47.154556ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101650
observed 611b3dc5c35243727bbb09a9fc0c0102...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:47.136951ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101650/manifest.json
observed de39313ab7db9f7df0481c85d0a9f552...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:47.117097ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101650/publication.md
observed 4e7beca02288583325d5350ce46f3d94...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:47.097048ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101650/publication.txt
observed 44a4d5e34819fba2281cd15350dfac32...
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.