OpenTechnical

OT-2026-000083179

Publication integrity record

Two cup vacuum gripper, two zone face, pump fed, sustained blow-off before 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-2026-000083179) never changes.

Identity and time

Publication numberOT-2026-000083179 · never reused
Internal UUID01a0ae97-c962-7292-9e01-4771bb7340d2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:38.321156Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083179
StatusPUBLIC

Content hashes

Canonical text0fa25de3c9c956c1ef5db612e4d2b5afbb04c222158577b10a04d91b2aa23f8e
Markdown77d519eae3497203bbf8e2c7375e9b873e5e92142bd83a2b2d8b2c1c76268a1f
PDF
Publication page51b6353be1f8ce43020b69463ce551663c31345f793ab7cce9462fcf8d246eea
Manifestb51a1d734dde452e8184f88c4684b15fd5661f7c158d251348beb7e8de299189

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
Signature6W+qvyVUYZ7r9D7WCnezF97zrJYVCVF0PxCU5UiftHc0BUfqd0L2digY9mTbqptYCwVH2cuoOCYDZgQrzAaHBQ==
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

2026-09-17T09:00:59.079975ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083179
observed 51b6353be1f8ce43020b69463ce55166...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:00:58.914649ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083179/manifest.json
observed b51a1d734dde452e8184f88c4684b15f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:00:58.896348ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083179/publication.md
observed 77d519eae3497203bbf8e2c7375e9b87...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:00:58.877278ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083179/publication.txt
observed 0fa25de3c9c956c1ef5db612e4d2b5af...
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.