OpenTechnical

OT-2026-000070874

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, two stage ejector, vented 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-2026-000070874) never changes.

Identity and time

Publication numberOT-2026-000070874 · never reused
Internal UUID01a0ae91-8c2d-733d-a041-86d99fd64bcf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:49.344646Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070874
StatusPUBLIC

Content hashes

Canonical text3edf3f44f2d83f05a3f5753eda4da0f974e5246c4fc2dc54818bc46940b60056
Markdown1d030ac436e1f4f2bcf5b908b9a633b8331cc88e3e394e3bd7a25d968dff99b6
PDF
Publication pagea332d341960ccc4e6a1da52902678c389b13a493f4f09f547ac6389a07d438cd
Manifestf2f460902d8b86045d0c33a0817b9639e8c44500b4d0fe171c5e8d1facfd89c7

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
Signaturez7ZugJlP/N7t4ed+I0muIJTlwdB19m6Oise25fH+8K7Kk4APbH9t4/idKF+Inm5j0TYczw89J/KDdhfqZID1Aw==
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

2026-09-17T10:25:41.840455ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070874
observed a332d341960ccc4e6a1da52902678c38...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:41.823005ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070874/manifest.json
observed f2f460902d8b86045d0c33a0817b9639...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:41.805326ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070874/publication.md
observed 1d030ac436e1f4f2bcf5b908b9a633b8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:41.788595ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070874/publication.txt
observed 3edf3f44f2d83f05a3f5753eda4da0f9...
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.