OpenTechnical

OT-2026-000085112

Publication integrity record

Three cup vacuum gripper, three zone face, four outlet manifold, plant vacuum fed, 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-2026-000085112) never changes.

Identity and time

Publication numberOT-2026-000085112 · never reused
Internal UUID01a0ae99-43b9-7393-9b3a-9f69a5c4651a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:15.103896Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085112
StatusPUBLIC

Content hashes

Canonical textb58f1ed0ce3b2c04b5ba0252744a30173dcdbc3105e4d75b56124ee03f54c6d1
Markdown8a68498402d742c31e4310c56ffe9d43eadb99ec36788ad3512e7a17c290ec1e
PDF
Publication page964cba49f7b50a2f624abe340bf95a9a7bc36cb765e31edf547cf732903547c6
Manifestd2e401ec56329998c663f5582feb6774d06cba473d18067f8a499d53e373ff07

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
SignaturewoX5Ai0Dp93mENiqXm8neG/6CYme8ieUvfqYeL8fYxihByYA+voU8kG/mztyZ9nP1QSU21XkmWeU7HC+D2yPDQ==
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

2026-09-17T09:55:11.098197ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085112
observed 964cba49f7b50a2f624abe340bf95a9a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:11.080754ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085112/manifest.json
observed d2e401ec56329998c663f5582feb6774...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:11.064319ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085112/publication.md
observed 8a68498402d742c31e4310c56ffe9d43...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:11.044949ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085112/publication.txt
observed b58f1ed0ce3b2c04b5ba0252744a3017...
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.