OpenTechnical

OT-2026-000078841

Publication integrity record

Foam pad vacuum gripper, two zone face, six outlet manifold, 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-2026-000078841) never changes.

Identity and time

Publication numberOT-2026-000078841 · never reused
Internal UUID01a0ae95-ccbd-7ad8-aa91-804fb2353df7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:28.017032Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078841
StatusPUBLIC

Content hashes

Canonical textb39cf959f2de73be65a0405fe3c09878659facf450128b5a4bdf8b1cff2f6fc6
Markdownefe0fa579632b012d6f4ec8727e243f1e39e21c37c05b8e4b68b00dc455fd393
PDF
Publication pageef3c9561e5d7a52058d220d0898c0fbe47fc27bd2216a2265c00e11f22b40114
Manifest1250ce56064b191b858dd1643986983cf8e6cbed2172db36aad317008d4e80fb

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
SignaturecQTqU/5K2wrXNZTRCfLSnDODEIkdwja3GTUkO8LUqnkYikHti/dD5Y2PXx4rW/hb6TS4ktXXZLwsnm2NhDMcDg==
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

2026-09-17T10:05:38.376505ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078841
observed ef3c9561e5d7a52058d220d0898c0fbe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:38.359653ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078841/manifest.json
observed 1250ce56064b191b858dd1643986983c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:38.342672ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078841/publication.md
observed efe0fa579632b012d6f4ec8727e243f1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:38.326921ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078841/publication.txt
observed b39cf959f2de73be65a0405fe3c09878...
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.