OpenTechnical

OT-2026-000050304

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, plant vacuum fed, supply line pressure sensor, pulsed blow-off after 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-2026-000050304) never changes.

Identity and time

Publication numberOT-2026-000050304 · never reused
Internal UUID01a0ae82-5c47-772e-a4fc-ecaf87cb70cd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:14.042293Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050304
StatusPUBLIC

Content hashes

Canonical textb3dec73dc6c4a1521868739324c5ffebb1d4a2a227449a1e876f107be6e12d91
Markdown4f5ff855bfe29141e2cf9d8d53da6beb24a71b10cc0fa89dfc527cc5b5460cdb
PDF
Publication pagee6fed18bc6626c4da1de016f0300dabe91342a8f69193c3276ca66c1b6e01dd9
Manifest4a4e2d84082c306fb35accef9155592ebd4836058872941da0c787aa2f28153c

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
Signature/pVsb5m9rNSCWP0ZjcvqHj+rvRV9FrJ4q8w6NXEI0KTaf+8emr+WGMmVWn2Fb6J/0Tgh8gDtNiOn7qv84485DA==
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

2026-09-17T11:01:18.833900ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050304
observed e6fed18bc6626c4da1de016f0300dabe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:18.817526ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050304/manifest.json
observed 4a4e2d84082c306fb35accef9155592e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:18.801272ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050304/publication.md
observed 4f5ff855bfe29141e2cf9d8d53da6beb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:18.781594ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050304/publication.txt
observed b3dec73dc6c4a1521868739324c5ffeb...
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.