OpenTechnical

OT-2026-000075486

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, two stage ejector, manifold pressure sensor, vented 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-2026-000075486) never changes.

Identity and time

Publication numberOT-2026-000075486 · never reused
Internal UUID01a0ae93-f202-7b08-bf2b-6853ef66c16f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:26.476108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075486
StatusPUBLIC

Content hashes

Canonical text7589c5d080e28521598ce88dd6ef27e6e8c0abfd12e9314ca8fb9df28d647caf
Markdown21f79c75563b8d47b9228f0eb766cf63b7eba7b375412720d4d2e7da587fe147
PDF
Publication page870fb3eb4d00904ac1d32d2ee25c8c280f1f49ced35e238c4be0ffd07537050b
Manifest1194f430def70953a2487d0e3422de48a6382a91ebfec48d092e33496defed56

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
SignaturewhkZ8GXDW+Sx+jPoJSY4JYTucONMW6d90VzJzfe0Ps27EUAaG+jUOxX0RYv3yOEblEb38n/MbcsSin32YQjmAw==
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

2026-09-17T10:17:51.457523ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075486
observed 870fb3eb4d00904ac1d32d2ee25c8c28...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:51.314323ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075486/manifest.json
observed 1194f430def70953a2487d0e3422de48...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:51.287072ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075486/publication.md
observed 21f79c75563b8d47b9228f0eb766cf63...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:51.267801ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075486/publication.txt
observed 7589c5d080e28521598ce88dd6ef27e6...
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.