OpenTechnical

OT-2026-000066300

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, plant vacuum fed, manifold pressure sensor, sustained 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-2026-000066300) never changes.

Identity and time

Publication numberOT-2026-000066300 · never reused
Internal UUID01a0ae8e-8dc4-7b15-877c-2273776879ed · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:33.262219Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000066300
StatusPUBLIC

Content hashes

Canonical text44889bd5c57acf54a4dff612e521148316cb8f3ff36dcdfd950c827e1ad8fbdb
Markdownf04b742f37bab4f4af59e78843d90c753ed0e104a55551c9ba7976e8de18e0ab
PDF
Publication page6bce1c61318f1dc923c4bc64caeb4e4d3147dde04cdef3299ec984bf3cc367b9
Manifest1daaa839827a55b11b729f739323f1774ba2634bc3b22d6384e8ad0ccc7771c2

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
SignatureGgPsmmkzLG9Nk6HUQr5ssq+65teh9GL5FHa0EJbTQdnMMrC2ncBihuhdQbMNX3XhVle/Bxj8FJH5CqrdyBf/BA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:33:29.029881ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066300
observed 6bce1c61318f1dc923c4bc64caeb4e4d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:29.004828ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066300/manifest.json
observed 1daaa839827a55b11b729f739323f177...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:28.988836ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066300/publication.md
observed f04b742f37bab4f4af59e78843d90c75...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:28.972292ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066300/publication.txt
observed 44889bd5c57acf54a4dff612e5211483...
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.