OpenTechnical

OT-2026-000050131

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, three stage ejector, pressure sensor per zone, pulsed blow-off before set-down

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-2026-000050131) never changes.

Identity and time

Publication numberOT-2026-000050131 · never reused
Internal UUID01a0ae81-fd79-76e2-8d8e-5b349671d883 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:49.774136Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050131
StatusPUBLIC

Content hashes

Canonical textb5ead65ab6696cdc15a29584169f5c2b563ae72f510627386b205f86f8bba42f
Markdown85172964237f91652562f480766684709a26d63269598482473a17c9af035cf5
PDF
Publication pageb0906a5c51c4428310f280475d48a8e1094056b9074f5c2db76d9d38b95c6b73
Manifest63317ee8f5a3afcec151bf822c2ab26d5bd273c7d41077c65ad8c29fa3fee200

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
SignatureyooW1ncETWNGqr874gekA7olXhCy67ShkAnzVf4BDA6dzmc90MRzFzFygpHZQRicI2YVgjVPBEAoYSMjL3iyAQ==
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

2026-09-17T11:02:08.400670ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050131
observed b0906a5c51c4428310f280475d48a8e1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:08.381966ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050131/manifest.json
observed 63317ee8f5a3afcec151bf822c2ab26d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:08.362820ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050131/publication.md
observed 85172964237f91652562f48076668470...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:08.344271ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050131/publication.txt
observed b5ead65ab6696cdc15a29584169f5c2b...
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.