OpenTechnical

OT-2026-000015404

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, two stage ejector, 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-2026-000015404) never changes.

Identity and time

Publication numberOT-2026-000015404 · never reused
Internal UUID01a0ae6d-ef49-736f-b7d4-232b208dad51 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:55.421510Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015404
StatusPUBLIC

Content hashes

Canonical text2ccd0dc81347a0ae231a471ce307aa982f06f8465b2a68f2658f9eb3be041e36
Markdowne43e1f17403f5e74622478c3d5fdb268369b828638579bf1b76eb4d5039ea6ad
PDF
Publication page6b8a9a19e003b59ade03c7061eed1381d0db9e9e34a5946685b924e28df1e26e
Manifest311100e7ca71a3baa94130de60e194278fa6541720abf615ddb38a27d69988b1

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
SignatureyeEj2rOBw/YOrDCLvNJHLzQR16gLXVRM7qc69v/TJpDQ/iwEvRskhEgVrJ3epeK74mB2PJg4m9ymf1gQOay3AA==
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

2026-09-17T12:06:07.794471ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015404
observed 6b8a9a19e003b59ade03c7061eed1381...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:07.772726ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015404/manifest.json
observed 311100e7ca71a3baa94130de60e19427...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:07.753615ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015404/publication.md
observed e43e1f17403f5e74622478c3d5fdb268...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:07.735298ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015404/publication.txt
observed 2ccd0dc81347a0ae231a471ce307aa98...
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.