OpenTechnical

OT-2026-000048300

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, three 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-2026-000048300) never changes.

Identity and time

Publication numberOT-2026-000048300 · never reused
Internal UUID01a0ae80-4de3-7db8-b448-46a21117f0c1 · 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-2026-000048300
StatusPUBLIC

Content hashes

Canonical textb4e5faf98ef09682842de69eefa5e78ce0ec246d50d9dd41ad5d520b3669bcdc
Markdowned04a5dba51e3b5469d0c9a70940e0daddeb1327c275218668a0e3ef7caf8575
PDF
Publication pagec3a6bdb60abe5169869d216b2d3f3fdbbb48eeef93caf2a684640be2770e6a9a
Manifestd04327a403664dd47446486c0c0029090fd9503e72eddc46fad2e98355eb3f2d

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
SignatureuVtwaLr9uYMK2t62eQam6QmBkHhTegwFOcqyWNxg4xqv1368rfVjHqY1/k28FoOEi/kzCbdXdRh49DK0exITAw==
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

2026-09-17T11:04:53.434379ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048300
observed c3a6bdb60abe5169869d216b2d3f3fdb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:53.415007ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048300/manifest.json
observed d04327a403664dd47446486c0c002909...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:53.395822ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048300/publication.md
observed ed04a5dba51e3b5469d0c9a70940e0da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:53.375765ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048300/publication.txt
observed b4e5faf98ef09682842de69eefa5e78c...
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.