OpenTechnical

OT-2026-000100426

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, plant vacuum fed, pressure sensor per zone, sustained 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-2026-000100426) never changes.

Identity and time

Publication numberOT-2026-000100426 · never reused
Internal UUID01a0aea3-66ef-71b8-9c38-fef25a0a20be · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:19.463543Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100426
StatusPUBLIC

Content hashes

Canonical text35b4e8ff91b733a871652a03d77a47f6e79ee5d2ded58a1ff91bdb0fda399806
Markdown05588adec6651a7dcf35e74eda30a1a2808639e1ae03b57126b3f1bce018ac6e
PDF
Publication page4edc780fc4772260e92a38aac3886e48ff0a0c10707ed528528d9906224b56d6
Manifest050fabfb70e2106b0c270c539c20ea3d1f7cc4890fa472315b44b9a1ca08f2b3

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
SignatureKDQfNRELiLjTfoirYIzEItFo2SaH80MD4y+9DpvZ7fv/FkkbIJnTn2jyDpihBZ2a7Ua1dK/c71fHhM3867xvAQ==
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

2026-09-17T09:27:10.039860ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100426
observed 4edc780fc4772260e92a38aac3886e48...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:10.020836ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100426/manifest.json
observed 050fabfb70e2106b0c270c539c20ea3d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:10.002990ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100426/publication.md
observed 05588adec6651a7dcf35e74eda30a1a2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:09.983124ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100426/publication.txt
observed 35b4e8ff91b733a871652a03d77a47f6...
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.