OpenTechnical

OT-2026-000081684

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, single 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-2026-000081684) never changes.

Identity and time

Publication numberOT-2026-000081684 · never reused
Internal UUID01a0ae97-0f73-73a6-bb22-49a31db9fbac · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:50.648824Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081684
StatusPUBLIC

Content hashes

Canonical text3df81c755c5d3fc47bc3fa982d4769da7570f7b1290a5b121c94ca3345799a91
Markdown3bc46549bc3ddfbd6682c9fc031bf4015ab3dc2b4d5c06e3a2559491910298ed
PDF
Publication page3e9acf4fd1182be250f55c8b5ec0f33421bd2a9faba49b98cbae358f2c4e1f4f
Manifest533d6d74ebf8e0206cc6f8d872680dd7c0224a64efd447808cb0d290993ce4d0

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
SignatureM5VtuB0dQIcPz4mOZlgicBFV7djZ3vU1hQm8h5yrLTqpEmuTBiIeXnO7k79YyxdwVQXc+w0ViBHZmKkXWWbcBg==
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

2026-09-17T09:59:44.879010ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081684
observed 3e9acf4fd1182be250f55c8b5ec0f334...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:44.861849ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081684/manifest.json
observed 533d6d74ebf8e0206cc6f8d872680dd7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:44.842396ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081684/publication.md
observed 3bc46549bc3ddfbd6682c9fc031bf401...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:44.822804ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081684/publication.txt
observed 3df81c755c5d3fc47bc3fa982d4769da...
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.