OpenTechnical

OT-2026-000090152

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, two stage ejector, manifold pressure sensor, sustained blow-off before set-down, on a tool changer

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-2026-000090152) never changes.

Identity and time

Publication numberOT-2026-000090152 · never reused
Internal UUID01a0ae9c-428f-799e-9cfa-3ce59cd0ffd9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:31.390046Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000090152
StatusPUBLIC

Content hashes

Canonical text7d49766022e0e3b416c1486a4d3669ff6c06bc1d449e78b83da471f89c884c7d
Markdowna4e21a078b0b3d7fccf3557a7165e76c33f88d45e8bbb9ad90beffa7662c8b88
PDF
Publication pagee9833537494d30db02a507083b6523a9155840e8d10d692602d887fbee574b34
Manifeste08d14bd5ec4f77d6040b38ffffd4a897fc259c41f8e35564d857c07e8371b27

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
SignaturePY4XPH/4eNwYE51lDw50YY17Gpa8csxOrSMshppeQ8HHpCio/e6IsQp/onUr//S9xSdIGBpodfKt3zlKTZ6iCg==
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

2026-09-17T09:45:39.940862ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090152
observed e9833537494d30db02a507083b6523a9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:39.920105ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090152/manifest.json
observed e08d14bd5ec4f77d6040b38ffffd4a89...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:39.895706ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090152/publication.md
observed a4e21a078b0b3d7fccf3557a7165e76c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:39.873951ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090152/publication.txt
observed 7d49766022e0e3b416c1486a4d3669ff...
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.