OpenTechnical

OT-2026-000054648

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, three stage ejector, manifold pressure sensor, pulsed blow-off after 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-2026-000054648) never changes.

Identity and time

Publication numberOT-2026-000054648 · never reused
Internal UUID01a0ae86-1284-7e07-b61d-a6e3c587bb85 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:17.489937Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054648
StatusPUBLIC

Content hashes

Canonical textcdad5848e5db05e32e68c5a66e77c67b7728ccc2c6ebb7b968055833b3b95c59
Markdownbbb3e9a7189e5a1d833aa4eff62abdd4d4da0928eba6b1138daaf4d038493356
PDF
Publication pageab5f6cd7c6d994e70849fa294cebe777d799133ed05b693ce2d9cac7cfdc8cde
Manifestdf7d9dad17613f2817a3c4dcd70c0a6a44a12f9fdfdf0196145434db5629f252

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
SignatureFpTk/0t9vUwIjpDb8M8mCSaUJURH+xXL8tZ8Rsy7MHOIyPFO17XBkGdCKnKMnhVDx1EJQshzYCQbf/qLWffbAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:53:42.957749ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054648
observed ab5f6cd7c6d994e70849fa294cebe777...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:42.939289ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054648/manifest.json
observed df7d9dad17613f2817a3c4dcd70c0a6a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:42.918529ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054648/publication.md
observed bbb3e9a7189e5a1d833aa4eff62abdd4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:42.898379ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054648/publication.txt
observed cdad5848e5db05e32e68c5a66e77c67b...
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.