OpenTechnical

OT-2026-000095116

Publication integrity record

Foam pad vacuum gripper, three zone face, plant vacuum fed, pressure sensor per zone, sustained 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-2026-000095116) never changes.

Identity and time

Publication numberOT-2026-000095116 · never reused
Internal UUID01a0ae9f-8f6e-7740-ba9c-f3ea326656f2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:08:07.681434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000095116
StatusPUBLIC

Content hashes

Canonical text1cbb1275fdfcfb1b300e69530b9f94352959c306308871573fb2d3e314df080e
Markdowne553512691b811536ccb0b1412c3d552b1c24b5ff4ca5e33160c374d6699531b
PDF
Publication page5bca6da4c97e3b7d519addd26a0c6444ded11133a9c42693d577d5dd6f526683
Manifest6cdc8f57ac0dd11edc2c9324ba6a1fd6979f9a4ce6966bd53e1a4dd42493bc66

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
Signatureo49PIfudQydtw5rfq3jUef5DmPItvd08UDAF/UJ1evT6KxVZht+BuL9BnbTA4m+Ir8dl7ft42QS+SgVjm98BBw==
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

2026-09-17T09:36:24.540921ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095116
observed 5bca6da4c97e3b7d519addd26a0c6444...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:24.525101ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095116/manifest.json
observed 6cdc8f57ac0dd11edc2c9324ba6a1fd6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:24.509113ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095116/publication.md
observed e553512691b811536ccb0b1412c3d552...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:24.491109ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095116/publication.txt
observed 1cbb1275fdfcfb1b300e69530b9f9435...
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.