OpenTechnical

OT-2026-000072292

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, vented 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-2026-000072292) never changes.

Identity and time

Publication numberOT-2026-000072292 · never reused
Internal UUID01a0ae92-47c3-7d96-bb69-28d6f54dda16 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:37.365346Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072292
StatusPUBLIC

Content hashes

Canonical text5d6312fc0a65432d25e33f241a59e1a6671be5a6163561fbbed166834874f534
Markdowna32559a6222d79f1e3bd0736b16d394fdea891f5640fb9b50c570d84ee5b6cd6
PDF
Publication page2ec279d272a500d60f4cc4f1651398882c199998a20aa111c0136552a5c1501d
Manifest60dda0952fcb0b493303d6b62eec1ddf71e40a4cfab7b64c9584e563f6dfb52b

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
Signatureem/lwe/hLL6/D2q6hhUHCkICF+2xNVaICm0/+EI37EsvvnEKqQWVCe0Q0JAp9qeAxLC4Fy+ZJJlN/FUq/TvsCw==
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

2026-09-17T10:23:30.570203ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072292
observed 2ec279d272a500d60f4cc4f165139888...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:30.430765ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072292/manifest.json
observed 60dda0952fcb0b493303d6b62eec1ddf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:24.519290ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072292/publication.md
observed a32559a6222d79f1e3bd0736b16d394f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:24.502155ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072292/publication.txt
observed 5d6312fc0a65432d25e33f241a59e1a6...
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.