OpenTechnical

OT-2026-000071884

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, plant vacuum fed, 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-2026-000071884) never changes.

Identity and time

Publication numberOT-2026-000071884 · never reused
Internal UUID01a0ae92-1e93-70ee-88a4-9d5ad1f49784 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:26.841552Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071884
StatusPUBLIC

Content hashes

Canonical text11d2cba5ab6bb3eff6b8fbf7cf0af68ccdee8c7182ea6fdd28525b703e1b2b34
Markdownc6a5848c5c4439337467c7ef3e1b900d00fef464218c2264168ec52a93c45e93
PDF
Publication page8b913468c7452a4a4d1f62544290002bedaf56b49225b22efe5d6e374aaa97bf
Manifeste0a766e1cd7c4e809a644ae27099e93cd2c0a64808104bf2b1b456417901c290

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
SignatureqSSZAkgQWcLBGdmmEJTUHUcU167Z/k9d/JvIq7gsI4QLfiJdZdH17H0n0L0x2cLj3zc0RUDE0KEBt2jl2XGwCQ==
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

2026-09-17T10:24:35.338907ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071884
observed 8b913468c7452a4a4d1f62544290002b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:35.321403ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071884/manifest.json
observed e0a766e1cd7c4e809a644ae27099e93c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:35.304595ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071884/publication.md
observed c6a5848c5c4439337467c7ef3e1b900d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:35.286022ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071884/publication.txt
observed 11d2cba5ab6bb3eff6b8fbf7cf0af68c...
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.