OpenTechnical

OT-2026-000079194

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, pump 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-2026-000079194) never changes.

Identity and time

Publication numberOT-2026-000079194 · never reused
Internal UUID01a0ae96-0b8f-7a0b-aebb-162ab2ad192c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:44.101434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079194
StatusPUBLIC

Content hashes

Canonical texte1600131d42e36e82ccd6b3777a7fdb497d51813ae4368a3e473736895f94ab9
Markdown16d57ca78bea3d6eaf80fd2b32a1d879423f79d1f0a89dd41a3f0571c66fe3f3
PDF
Publication page103b663f700cbbb1bd0a2328f9b735404426eac9c4927e7652d9408a7faf90c6
Manifest713e5911b0fb64b01f5a5359e75bdf685fdd359dc5aa913828fcf95d40f3175f

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
SignatureeIa+V60/TT7+RID8fifceANh9WFtOL4jVAmxENB08bMtb6qVqfsYoGEdvHi7zPgteuE6hujeX6x66O8/6W1BAg==
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

2026-09-17T10:04:47.201882ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079194
observed 103b663f700cbbb1bd0a2328f9b73540...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:47.185482ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079194/manifest.json
observed 713e5911b0fb64b01f5a5359e75bdf68...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:47.169006ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079194/publication.md
observed 16d57ca78bea3d6eaf80fd2b32a1d879...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:47.152509ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079194/publication.txt
observed e1600131d42e36e82ccd6b3777a7fdb4...
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.