OpenTechnical

OT-2026-000079103

Publication integrity record

Three bellows cup vacuum gripper, three 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-2026-000079103) never changes.

Identity and time

Publication numberOT-2026-000079103 · never reused
Internal UUID01a0ae95-ccbf-789c-a603-f4a9c30126f1 · 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-2026-000079103
StatusPUBLIC

Content hashes

Canonical texta246b0a1c682f0dfeb0a598dff3b40106ee5396dee3cc0bf9de25bebf8c37906
Markdownf8dfea79a676a47f6cdaff746b344e247ba8102b1a2ac6bba1c89e148fc5bb00
PDF
Publication page63b26e8e021a580f59eb42cedaa36da990ba2beb792d0d1dbcdc9ec9b04d36a6
Manifest1a0e0ab9b9a41a46aaef7661a55b57682a35bfa0444144efe78eff7157c0fca3

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
Signature4goX3A/Nlzs86KwjSM8hWXk7GKDeVmr7ZCFszW92EPsYqrTWmQsicH/+dqvLGixfeRA33DsEM8o8uIFJkMLpDA==
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

2026-09-17T10:05:57.001463ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079103
observed 63b26e8e021a580f59eb42cedaa36da9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:56.983784ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079103/manifest.json
observed 1a0e0ab9b9a41a46aaef7661a55b5768...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:56.964168ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079103/publication.md
observed f8dfea79a676a47f6cdaff746b344e24...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:56.947991ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079103/publication.txt
observed a246b0a1c682f0dfeb0a598dff3b4010...
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.