OpenTechnical

OT-2026-000088347

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, single stage ejector, supply line 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-2026-000088347) never changes.

Identity and time

Publication numberOT-2026-000088347 · never reused
Internal UUID01a0ae9b-5d27-738e-8006-2fa5c401913b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:32.662646Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088347
StatusPUBLIC

Content hashes

Canonical textf942d970a8a696c6b45a398bf6daa7e971d636320e0a3aff7e7e16ae91f070cc
Markdown04d388226010f73b37f019a81a594a421c06d481251ee30a34dccbc2688bd74e
PDF
Publication pagec5cc60940d9d1c0d82d9e9206eaf2e17320e59fc6d6b71cc0ba11e66849ad0e4
Manifest5b2b05fe541b676ec74f6050c1ee9cbf65335b4c6f616b92422675135f7ca2d9

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
SignaturenNM4WCJuNxGRdoSNkAlrXZN45a3PqHtfx1pHZjaT5fqcMxpvrN58WW4sY+AHN5oPUvOl6jIryd9Gt5+rcQPeAw==
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

2026-09-17T09:48:41.181150ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088347
observed c5cc60940d9d1c0d82d9e9206eaf2e17...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:41.164434ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088347/manifest.json
observed 5b2b05fe541b676ec74f6050c1ee9cbf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:41.146823ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088347/publication.md
observed 04d388226010f73b37f019a81a594a42...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:41.128167ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088347/publication.txt
observed f942d970a8a696c6b45a398bf6daa7e9...
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.