OpenTechnical

OT-2026-000062298

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, vented after 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-2026-000062298) never changes.

Identity and time

Publication numberOT-2026-000062298 · never reused
Internal UUID01a0ae8c-0abe-700b-a5d7-fe767b494209 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:48.542263Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000062298
StatusPUBLIC

Content hashes

Canonical textc9b6610737254ededc92ce9f8272a28b3a9197803f6ee99be190b99502b3daf5
Markdownfee46e5f60988214e8240e7c7c6bb5e636845da20ef5f40a9bbb2ecb934d52e6
PDF
Publication pageb0fbcf0dbc1064b2c9c0ec20ebecb7aa8c6d1e47aad855f6775f8d528b0f55c3
Manifest1fd55038f2512f51733d3789c859fd26a2949f8842b75741b8090b8a508f5156

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
SignatureUqDhNIs+orRw3Z5kcG/96bBpvcZrk5TYSvFVaGR7znituaR2fNq1zBpEfHkZsvKJcTMqjd2PA24+BPBu7KRoCA==
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

2026-09-17T10:39:35.148380ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062298
observed b0fbcf0dbc1064b2c9c0ec20ebecb7aa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:35.130540ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062298/manifest.json
observed 1fd55038f2512f51733d3789c859fd26...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:35.113506ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062298/publication.md
observed fee46e5f60988214e8240e7c7c6bb5e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:35.096452ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062298/publication.txt
observed c9b6610737254ededc92ce9f8272a28b...
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.