OpenTechnical

OT-2026-000021020

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, single stage ejector, supply line pressure sensor, pulsed blow-off before set-down

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-2026-000021020) never changes.

Identity and time

Publication numberOT-2026-000021020 · never reused
Internal UUID01a0ae6f-65e4-72ac-9f5d-bf274b14115f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:31.316024Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000021020
StatusPUBLIC

Content hashes

Canonical text5cb9ab4b01293a9303a5a91248833785cdd46aa997c5d3ba8594feb7b53854a4
Markdowne57eaca97a82c9559c6b7c97d8d96d160a646ef3852a8e19157b5a256a116ef2
PDF
Publication page56e6fa1d2bac0d1459f0d6aab629942de1f00aa00d50f79ed60337e5e4b014db
Manifesteee56cce89365d167ef2333f279022dc7c0cd5c93887c0a4b6b74886518b81d8

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
SignatureXxHotEaAy9QvMkDr2B23R/xqvR99I/7QLC8wFfh8w/VLGqxJRHDeKuiFx6BjMdqYZ4YQ6cn9/LGPSptABJ8CAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:56:10.916628ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021020
observed 56e6fa1d2bac0d1459f0d6aab629942d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:10.899441ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021020/manifest.json
observed eee56cce89365d167ef2333f279022dc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:10.881209ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021020/publication.md
observed e57eaca97a82c9559c6b7c97d8d96d16...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:10.864758ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021020/publication.txt
observed 5cb9ab4b01293a9303a5a91248833785...
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.