OpenTechnical

OT-2026-000085821

Publication integrity record

Four cup vacuum gripper, four zone face, three stage ejector, 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-2026-000085821) never changes.

Identity and time

Publication numberOT-2026-000085821 · never reused
Internal UUID01a0ae99-e829-7180-9d1a-413c12178ea2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:57.178584Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085821
StatusPUBLIC

Content hashes

Canonical textd82935a4eb6e37e915441accf6efeb4908df9a09a449aec1e02e710a7be3f264
Markdownde8d84f140b5d3a33e384f7738b8c276a21d5f27b23ce5ff4b2511e1e3cb50ae
PDF
Publication page5ad74f6541ca37787ef20c98e4da451af6ace36b709d39256d6739d6ab041a03
Manifest45a6b14967ed935c09aac7c962909c77911869185742038919e013f34d19e719

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
SignaturebRFQtiG+RhAUCByFTlKw7RYRqhN5DgoDVaXeZfnXR7JcDgp1lQuoavJc5AmScBUD7b0nsnMpuz1kh7XUm6XkBQ==
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

2026-09-17T09:52:44.539576ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085821
observed 5ad74f6541ca37787ef20c98e4da451a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:44.522971ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085821/manifest.json
observed 45a6b14967ed935c09aac7c962909c77...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:44.506278ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085821/publication.md
observed de8d84f140b5d3a33e384f7738b8c276...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:44.490863ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085821/publication.txt
observed d82935a4eb6e37e915441accf6efeb49...
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.