OpenTechnical

OT-2026-000033016

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, two stage ejector, supply line pressure sensor, sustained 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-2026-000033016) never changes.

Identity and time

Publication numberOT-2026-000033016 · never reused
Internal UUID01a0ae75-4843-780b-8c71-821f8e470a9c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:57.065765Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033016
StatusPUBLIC

Content hashes

Canonical textffddc3ba486d4f1c0a963100c92f304712b706665578a9cbdff0578b2fbf8657
Markdown1875139e70cf98af1f609ac21b452112ca247ff7a5c0b31c02527b6fe1d22214
PDF
Publication page4e3051c092ac9b26c22a045c96e80fa62a644fbd06ba50b26c4868fe9798f277
Manifest8d94431474d9fcea16ea16b9f89642a64f136b91bca3f86aea9405c4a9b91a7d

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
Signaturek4ikmOWYC9zIBAECMiFd6KR8VLWwFcy86ShygpjuYDcnOWtF/b05s+YcgELnvyRTZEtug9nmKvDMnQgVM5aVDw==
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

2026-09-17T11:32:38.445698ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033016
observed 4e3051c092ac9b26c22a045c96e80fa6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:38.428104ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033016/manifest.json
observed 8d94431474d9fcea16ea16b9f89642a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:38.405756ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033016/publication.md
observed 1875139e70cf98af1f609ac21b452112...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:38.389222ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033016/publication.txt
observed ffddc3ba486d4f1c0a963100c92f3047...
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.