OpenTechnical

OT-2026-000048252

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, two stage ejector, manifold pressure sensor, pulsed blow-off after 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-2026-000048252) never changes.

Identity and time

Publication numberOT-2026-000048252 · never reused
Internal UUID01a0ae80-4de3-726b-aecf-4cdc427cc52a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:59.290761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048252
StatusPUBLIC

Content hashes

Canonical text82e3b9343718a1b2c0b5ae1f67cea1c1a6b536795afdbb3e986291288d705e5f
Markdowna0582cfaf2fecce71a0d4ddfea69d183e1ed6bde543f74fa3f20ae3a18ba079f
PDF
Publication page736b39572fe96ffc74686662905ef0151ffb59321a31405fb366cfff4a08df59
Manifest848a399344dd4169bfbcdc1da44f9a817e386b836cb918276900793467f6932c

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
SignatureohfSu63CHEwSQ0WlXyq7gLi54pA1QbG+/KZ8c5Z5/xu+cbQks29Lwg3P+sabK4qsRaLQuj6/4wGWPxQAwUGTCQ==
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

2026-09-17T11:04:49.146990ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048252
observed 736b39572fe96ffc74686662905ef015...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:49.126389ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048252/manifest.json
observed 848a399344dd4169bfbcdc1da44f9a81...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:49.106971ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048252/publication.md
observed a0582cfaf2fecce71a0d4ddfea69d183...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:49.088009ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048252/publication.txt
observed 82e3b9343718a1b2c0b5ae1f67cea1c1...
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.