OpenTechnical

OT-2026-000072574

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, pump fed, supply line pressure sensor, 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-2026-000072574) never changes.

Identity and time

Publication numberOT-2026-000072574 · never reused
Internal UUID01a0ae92-89d8-7452-bcec-01af0508fa80 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:54.283203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072574
StatusPUBLIC

Content hashes

Canonical text0e5185ef001dabf12d0ad94f24cc47495b513226fee6c980dafa32bdefff0afc
Markdowned2fb1bb09b23d2fbd64b59a7549b4713a2cb6d770a85f0fc11c5d43261f97b0
PDF
Publication page993852a32b676610bc799f4c9df1163270cf302e7a329c7d33613b93accbb03d
Manifest8d3856002c94c89a0f3b6fab0d1e79bbad5413b3bf16be827421005de25d0031

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
SignatureluAp7/RGWIRLl3w6Xnjwfg8J6x1yAcsz3Ur0lZsrDUNvc6VSc75o3Hokz4YzvMsn3pgYw1lMKsLuw2aeWttqDw==
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

2026-09-17T10:22:24.926285ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072574
observed 993852a32b676610bc799f4c9df11632...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:24.908381ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072574/manifest.json
observed 8d3856002c94c89a0f3b6fab0d1e79bb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:24.802956ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072574/publication.md
observed ed2fb1bb09b23d2fbd64b59a7549b471...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:24.783783ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072574/publication.txt
observed 0e5185ef001dabf12d0ad94f24cc4749...
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.