OpenTechnical

OT-2026-000104305

Publication integrity record

Foam pad vacuum gripper, four zone face, common isolation valve, pump fed, 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-2026-000104305) never changes.

Identity and time

Publication numberOT-2026-000104305 · never reused
Internal UUID01a0aea5-3420-7353-9038-83deb4ee2e90 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:14:17.519068Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000104305
StatusPUBLIC

Content hashes

Canonical textf149a140c1d475a6b3e5fd6f4954ec426227d08eb3a2464e38d7747ea9338fa6
Markdown89e788b318e989c33f64a8aaaa160d077600a3ac251e1062c5fab9c879d18b53
PDF
Publication page8986a10127ca59841cb7ffd5532a809ef4891e2de43661d7886b724d7f6bebbc
Manifest4a60f680f8abcc59b3ecbb438db2d1aa10c8d66ad114cbeaa0a4ebaace8a45e7

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
SignatureWKjZ1qZkkF8exc3EZcnUtjkruayV2a5c0vQYHuKh7M7D7v7Yms3dEG8wwzRyOPgaCv44uEZyBWkter3eo79dAQ==
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

2026-09-17T09:21:33.117361ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104305
observed 8986a10127ca59841cb7ffd5532a809e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:33.099545ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104305/manifest.json
observed 4a60f680f8abcc59b3ecbb438db2d1aa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:33.080391ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104305/publication.md
observed 89e788b318e989c33f64a8aaaa160d07...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:33.063411ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104305/publication.txt
observed f149a140c1d475a6b3e5fd6f4954ec42...
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.