OpenTechnical

OT-2026-000073219

Publication integrity record

Two cup vacuum gripper, two zone face, six outlet manifold, three stage ejector, supply line pressure sensor, pulsed 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-2026-000073219) never changes.

Identity and time

Publication numberOT-2026-000073219 · never reused
Internal UUID01a0ae92-efb6-7521-9317-aad2acd0d36c · 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-2026-000073219
StatusPUBLIC

Content hashes

Canonical textd0aa0afe8fad57b36c0afb8d1b1ced1522cc8b93ad406e562dc92aced46b7660
Markdownc3db94c1637b5a0e8906301a99d1f88eb2dffc051cdf82abb3002ccd55466479
PDF
Publication page13054aa240f49d467afda545f8aaec6cc835810c0d8e0d4c44b7bea96dceaf9b
Manifestd3fc2f54d77f1d750183b1b5d393fa8f603757aa2ab24e0ee488ba91a65bb4a3

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
SignaturemW7ZCC4LIZO+PvP3Xdblw1s0LyVxJsv/5GgrPCgb1kGmvFGekfQFizUEM3Plc5I/rttl2RZNUfWp8B1j/m+WCg==
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

2026-09-17T10:21:11.594062ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073219
observed 13054aa240f49d467afda545f8aaec6c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:11.574875ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073219/manifest.json
observed d3fc2f54d77f1d750183b1b5d393fa8f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:11.555313ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073219/publication.md
observed c3db94c1637b5a0e8906301a99d1f88e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:11.535077ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073219/publication.txt
observed d0aa0afe8fad57b36c0afb8d1b1ced15...
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.