OpenTechnical

OT-2026-000079004

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, plant vacuum fed, vented after 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-2026-000079004) never changes.

Identity and time

Publication numberOT-2026-000079004 · never reused
Internal UUID01a0ae95-ccbe-7e05-ae94-6f8670bc289e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:28.017032Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079004
StatusPUBLIC

Content hashes

Canonical textb7b66c9d552b8ae8054cf04d6f67a1138a2641cd61abb77420da23f75b805d38
Markdown3366cb06d3a6f5ac555d18a1fc8a010d8f877691b7fc4ad2644e01aa42b028b7
PDF
Publication pagebcd1d62a2af95beb8b1e467a6e87254de9def6c27c1303513025b7296fe62c25
Manifesta9ef9e56b321db99397027653727c169b20aab5cf13c381466cff7a919714d3a

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
SignatureL5o8189mstY4NJXkIP9kojshMuaTlGkm0K3ov8MoLmKrOAT3vIBK5vW4vwHAQCkkSJBhfYrYnxymh7kfBg1DBg==
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

2026-09-17T10:05:50.232638ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079004
observed bcd1d62a2af95beb8b1e467a6e87254d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:50.214661ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079004/manifest.json
observed a9ef9e56b321db99397027653727c169...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:50.195350ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079004/publication.md
observed 3366cb06d3a6f5ac555d18a1fc8a010d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:50.177339ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079004/publication.txt
observed b7b66c9d552b8ae8054cf04d6f67a113...
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.