OpenTechnical

OT-2026-000003826

Publication integrity record

Porous face vacuum gripper, two zone face, three stage ejector, pressure verified

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-2026-000003826) never changes.

Identity and time

Publication numberOT-2026-000003826 · never reused
Internal UUID01a0a90b-2c34-72d9-84a2-9ce4fd8952c5 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:07:56.854893Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000003826
StatusPUBLIC

Content hashes

Canonical text09fb729d94791ac0eac09d2c05dcb0d55d5b1e47b1374d9a9d84c1be4b59db78
Markdowndbc9ca9c3affa9646a0d71bb640fc62d366716451d6f871c083593cc2e25eeb1
PDF
Publication pagebeda04d06577826ab4f3ea7a5efdf92d13477f4b0affffd61b6971916fdc374b
Manifest8af3135291c54c044587b7587f54c6b33b4ea0db6a4373d13cbbdfa0b9615cf0

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
SignatureRLC7e1hxzr6jevtH/RkVC2Hk6EN4kHdTY2OKkPdd+ysVmmeE/Uo1iA0aMcJuLm9vScufUtx7bK2Vvqnw35zaCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T07:27:02Z
batch OT-TS-2026-W38-009 · RFC 3161 token · inclusion proof
root aada101caea153fd76622afa3661a5b8...

Independent retrieval

2026-09-16T07:10:18.055949ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003826
observed beda04d06577826ab4f3ea7a5efdf92d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:10:18.043188ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003826/manifest.json
observed 8af3135291c54c044587b7587f54c6b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:10:18.026040ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003826/publication.md
observed dbc9ca9c3affa9646a0d71bb640fc62d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:10:18.012003ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003826/publication.txt
observed 09fb729d94791ac0eac09d2c05dcb0d5...
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.