OpenTechnical

OT-2026-000046123

Publication integrity record

Four bellows cup vacuum gripper, four zone face, pump fed, pressure sensor per zone, 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-2026-000046123) never changes.

Identity and time

Publication numberOT-2026-000046123 · never reused
Internal UUID01a0ae7e-032b-717c-890a-c093d1528952 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:31:29.080672Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000046123
StatusPUBLIC

Content hashes

Canonical texta20f50a5e1ea93e1b4f68f2daab799764d6917a7c420fdb6cfa6f9d40b7432dd
Markdownc02264e333ed40527238f1d11561656e9ad34f533e0faef9f725a8f787d0a2fe
PDF
Publication pageceea5cfadfdd6e0811536abd41cd66eaed7562d42fc4586925ede7ae399c4382
Manifest8ab14af3afc0fdc102e3f2b392f9e000710e3e7f617cf05f352c9640e84345dc

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
SignatureautlSH/BAmEOiR/dV7Zbe8HtCecYSbI+s9nrTrnIryifch3dj1yIqu3/9vOxwsUVNCF1XH0TvwKxNG23qAW0Bw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:09:06.392399ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046123
observed ceea5cfadfdd6e0811536abd41cd66ea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:06.373425ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046123/manifest.json
observed 8ab14af3afc0fdc102e3f2b392f9e000...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:06.356614ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046123/publication.md
observed c02264e333ed40527238f1d11561656e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:06.340601ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046123/publication.txt
observed a20f50a5e1ea93e1b4f68f2daab79976...
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.