OpenTechnical

OT-2026-000026233

Publication integrity record

Four cup vacuum gripper, four outlet manifold, three 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-2026-000026233) never changes.

Identity and time

Publication numberOT-2026-000026233 · never reused
Internal UUID01a0ae71-a841-7a81-a197-cb0d8ef73275 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:59.376802Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026233
StatusPUBLIC

Content hashes

Canonical text8082fec78b9739783ba69b864bb91b7e6f78408dfd9f3bfc4636fb65f9e58ab4
Markdown11d720bdb298d4bb1e0cfc5a2861c15fd100a025b6c33441c5f58d50f59cfcdc
PDF
Publication pageb787ad6725c9afedae4494772ad32a75e41e2207377c66e2a76873c7692bd021
Manifest01efe92d860145765a7949bd3883e19d8200d7fe74705ba6d393b1c3fce10c11

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
Signatureohzp/r7aFO9cmy8nLSqahUGgrBfxxrvDgQq8SDkco/8FE9VXEKGIcq9xPPUjsP1UMPJ7oGDrb4eb+fJwyYmhAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:46:45.449747ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026233
observed b787ad6725c9afedae4494772ad32a75...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:45.432496ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026233/manifest.json
observed 01efe92d860145765a7949bd3883e19d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:45.413795ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026233/publication.md
observed 11d720bdb298d4bb1e0cfc5a2861c15f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:45.394087ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026233/publication.txt
observed 8082fec78b9739783ba69b864bb91b7e...
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.