OpenTechnical

OT-2026-000057725

Publication integrity record

Two cup vacuum gripper, two outlet manifold, two stage ejector, supply line pressure sensor, 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-2026-000057725) never changes.

Identity and time

Publication numberOT-2026-000057725 · never reused
Internal UUID01a0ae88-2695-773f-b095-37e545a35169 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:33.513637Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057725
StatusPUBLIC

Content hashes

Canonical text84d35b329531d056b39032a1b0252a509c14a0bdbcba38bb298f4d98ff401b8d
Markdowncb7d6b8d7b5408b194cbb8011944636724fc1b6ef81d0061558b16dca2fdaf14
PDF
Publication page7d7b0630ca156943a5971149f2a9180a80f53da6e7f2c09a1d727ff7195eb602
Manifestf4281f3fd5c8e2f092ff3bb58520e3045580fc03359ed06f33a1247f2ce16f6a

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
SignatureITW/Rktl+JhFaVTGdQp3d9JhK9aFBcKMp9PHBV22XRCt/ajzJh6Rct1FrIWnUi2EC9cVXBw3N1srkO97ZcWbAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:48:23.826347ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057725
observed 7d7b0630ca156943a5971149f2a9180a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:23.806295ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057725/manifest.json
observed f4281f3fd5c8e2f092ff3bb58520e304...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:23.788418ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057725/publication.md
observed cb7d6b8d7b5408b194cbb80119446367...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:23.768953ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057725/publication.txt
observed 84d35b329531d056b39032a1b0252a50...
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.