OpenTechnical

OT-2026-000073208

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, supply line pressure sensor, vented 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-2026-000073208) never changes.

Identity and time

Publication numberOT-2026-000073208 · never reused
Internal UUID01a0ae92-efb6-74a6-b1b7-3b4616c344c3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:20.363042Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073208
StatusPUBLIC

Content hashes

Canonical texteea274ec8116f3bb85c411c2b97c9601473da213087d07dc132ac17742775b8a
Markdowncbdd15a2066aa14db28d36c71162dba6731211284c8d0b8d3d5e3c5efbfb152f
PDF
Publication page88633db084d648f77cdef2c2b815d681d135a630ea7c469fcee2f67b75bc50b9
Manifest3df4a0098c7ce38dd68a41012551938df77772401dcd84035d25d0fa8cf98b02

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
Signaturedo8g/fkCrx37B7UAUBNMJQzbYHhMmCscrqpj0gSYh7z3d9trHhohhMy6N056fBCr2B+u41eflC97rKm6/sfXBw==
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

2026-09-17T10:21:10.534562ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073208
observed 88633db084d648f77cdef2c2b815d681...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:10.515792ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073208/manifest.json
observed 3df4a0098c7ce38dd68a41012551938d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:10.496437ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073208/publication.md
observed cbdd15a2066aa14db28d36c71162dba6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:10.476433ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073208/publication.txt
observed eea274ec8116f3bb85c411c2b97c9601...
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.