OpenTechnical

OT-2026-000062489

Publication integrity record

Three cup vacuum gripper, three outlet manifold, three stage ejector, supply line pressure sensor, 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-2026-000062489) never changes.

Identity and time

Publication numberOT-2026-000062489 · never reused
Internal UUID01a0ae8c-0ac0-788d-838b-cb4627b17511 · 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-2026-000062489
StatusPUBLIC

Content hashes

Canonical text08ee60dee363c6856ff433eb8c21b7a441cf3414d033b7e5d378a722ab9ad05e
Markdowndd60fcaed075326a808b404d4760c93512b0643b3476e3368a18ae9d21ebc876
PDF
Publication pagebd7b13ccf13f9e053a7bd9c4cf4aa862e38610f997d7c9c9c363847a48913bbe
Manifest6d64588c218955024337342dd17ad185a7d40567cb92f106a9c8efb4df12a7a7

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
SignaturejnE4Y2Wk9s+VsFvLmjOC6dseIjbDZ1GYfs2nzKl8ND9ZAV/yiqQPwEt8vZmLY9pMGmDg4Rrp99iLqVGgmJ/MBw==
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

2026-09-17T10:39:50.893228ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062489
observed bd7b13ccf13f9e053a7bd9c4cf4aa862...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:50.869485ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062489/manifest.json
observed 6d64588c218955024337342dd17ad185...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:50.850105ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062489/publication.md
observed dd60fcaed075326a808b404d4760c935...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:50.831016ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062489/publication.txt
observed 08ee60dee363c6856ff433eb8c21b7a4...
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.