OpenTechnical

OT-2026-000027059

Publication integrity record

Foam pad vacuum gripper, three zone face, single stage ejector, 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-2026-000027059) never changes.

Identity and time

Publication numberOT-2026-000027059 · never reused
Internal UUID01a0ae72-3453-703a-adee-d13d31ddba48 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:35.358864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027059
StatusPUBLIC

Content hashes

Canonical text9c4d43b575fceab81d2873e47b0a88c2773ca676ae66951df11577822fd53c23
Markdown251eb4bdda4d3510e420d02dfdf276b7c65cfd4cf7ee5adefee3fc0e3b80607d
PDF
Publication page646ae41ba0f29891735cbd603a021b22e25e049a0ad6c5755634e69958283f04
Manifestd549223ee59c8e30810d0cdd2140f1face0401c05f42861a118bb65279b1e72b

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
Signature3lvXJ1c2eQWcvVO9w0GSSxSIXt29k4lQH+WiGCKT+LIOSmhe/+eWs/rpHAiPrb3UDB3GS2+60G7bGa7D+vxMCQ==
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

2026-09-17T11:43:49.174612ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027059
observed 646ae41ba0f29891735cbd603a021b22...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:49.153892ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027059/manifest.json
observed d549223ee59c8e30810d0cdd2140f1fa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:49.130798ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027059/publication.md
observed 251eb4bdda4d3510e420d02dfdf276b7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:49.109713ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027059/publication.txt
observed 9c4d43b575fceab81d2873e47b0a88c2...
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.