OpenTechnical

OT-2026-000081493

Publication integrity record

Foam pad vacuum gripper, two zone face, three outlet manifold, three stage ejector, sustained 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-2026-000081493) never changes.

Identity and time

Publication numberOT-2026-000081493 · never reused
Internal UUID01a0ae97-0f70-7181-abf4-25266b20cde8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:50.648824Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081493
StatusPUBLIC

Content hashes

Canonical textad499d5d275a0679a9f57accc99aedcec1a9ba584c2921858956c4f2cf18d45e
Markdown369211496939f3c6efa360218fa3f95dcda0cec78ee2d650b0c1203be45eea68
PDF
Publication pagec6ce395cd544fcb87d0577bdc9fed47b47ef984a6b97310b2b31c5e1069722d6
Manifest09d8eae21cbd194712a608feaeeae5a3a1c5e6d812ff30df79a3b2c9a4506208

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
SignatureqN5raUhPO5JnTsfkQONkQPSMZ+rVOh9ssL5VoDqdzkUyaHXlKU0QJRVl4MvVOcFbZ7PNNt/pR2mWzT/UXuYlCA==
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

2026-09-17T09:59:30.248847ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081493
observed c6ce395cd544fcb87d0577bdc9fed47b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:30.233132ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081493/manifest.json
observed 09d8eae21cbd194712a608feaeeae5a3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:30.215507ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081493/publication.md
observed 369211496939f3c6efa360218fa3f95d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:30.197725ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081493/publication.txt
observed ad499d5d275a0679a9f57accc99aedce...
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.