OpenTechnical

OT-2026-000006204

Publication integrity record

Porous face vacuum gripper, ejector fed, pressure verified at each zone, contact triggered, closed cell

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-2026-000006204) never changes.

Identity and time

Publication numberOT-2026-000006204 · never reused
Internal UUID01a0a952-dbe7-7ee9-a759-ad7cb9ed9384 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:26:14.890805Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006204
StatusPUBLIC

Content hashes

Canonical text65c763c3cc87fe67400b8a245f85f4d4d5d3abe0c51e4e673a1eb3479d757cd4
Markdown7f267e166e521d2bb41072af39ae1a163fa74731785256491ba581f5c3927dcb
PDF
Publication page9c1aab1f748da6309457eba99f4dee6916a33e7e5be28f32f3c8c593687302b3
Manifest37c547df0c2e9fe32a4323c939cfbd8fc74a137f503fbbbc96720b3f31a5f207

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
SignatureAgNKzJoTosbkNX54pTe/2+gfu/IlXHQWYwTkLentAfDsvEXgBIOniQDHQQsSr8xlupq/82CIY/wO0PjVeo1TDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:27:03Z
batch OT-TS-2026-W38-012 · RFC 3161 token · inclusion proof
root dbe93cb6b2158496df2f60f3b6822537...

Independent retrieval

2026-09-16T08:30:15.448126ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006204
observed 9c1aab1f748da6309457eba99f4dee69...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:15.431653ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006204/manifest.json
observed 37c547df0c2e9fe32a4323c939cfbd8f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:15.410401ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006204/publication.md
observed 7f267e166e521d2bb41072af39ae1a16...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:15.397471ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006204/publication.txt
observed 65c763c3cc87fe67400b8a245f85f4d4...
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.