OpenTechnical

OT-2026-000048763

Publication integrity record

Foam pad vacuum gripper, two zone face, two outlet manifold, single stage ejector, pressure sensor per zone, pulsed blow-off before 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-2026-000048763) never changes.

Identity and time

Publication numberOT-2026-000048763 · never reused
Internal UUID01a0ae80-c32c-7618-a5d8-d7c68c7b01ba · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:34:29.321882Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048763
StatusPUBLIC

Content hashes

Canonical texte4b974dec8d1ebb3419d2d53426c613ed0f5ae305f65419f6cc076cadfc2ef13
Markdown3975e622b4a88584e413854af448d55b7445c141dff142bcf0ea15dc473ce4ac
PDF
Publication page8b980ae1bb6246017477624b5e5578e7879edaa402a41bcca7cd18c1414d9540
Manifestc0b545098d3cd1bdb3e7d562b32dde0a7fae78a70f90ab1748737680dab80539

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
SignaturehBNzrWLlUitzKIngj4JnixplL5uBmO6OLtBH6I6AuS5Tk8w4YXa0Re8+LQwevDH7bZbaL6CasgK7JGceT8lmBw==
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

2026-09-17T11:04:26.644558ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048763
observed 8b980ae1bb6246017477624b5e5578e7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:26.613732ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048763/manifest.json
observed c0b545098d3cd1bdb3e7d562b32dde0a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:26.583576ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048763/publication.md
observed 3975e622b4a88584e413854af448d55b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:26.556922ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048763/publication.txt
observed e4b974dec8d1ebb3419d2d53426c613e...
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.