OpenTechnical

OT-2026-000057721

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-2026-000057721) never changes.

Identity and time

Publication numberOT-2026-000057721 · never reused
Internal UUID01a0ae88-2695-713d-9993-16f9d0e05d30 · 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-2026-000057721
StatusPUBLIC

Content hashes

Canonical textac5c80437a02bf5f769ffa8bb20da4de26c861f3f9ae419a2e50f900c9e3e7c6
Markdown2ad91c921ae85728220b464048ee09e239f8c3cad8646a7e2a89cf136173d3ab
PDF
Publication page30083053008a5370212b12feb5b627e2089e317bce4398f42e401916e070a0c5
Manifest421b4016b4374f6b9fd8e48bcbf3e9457197ab10ade9619620893aadac8d27a2

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
SignatureJay5xNbqAycqRpfqNpY3B6+NNiAveT9S2CqFwirWZ1Tlzt5pTpDJvek6mad/wp4v7tuk6+fOp7x5hYcePFzXBQ==
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

2026-09-17T10:48:23.519669ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057721
observed 30083053008a5370212b12feb5b627e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:23.502785ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057721/manifest.json
observed 421b4016b4374f6b9fd8e48bcbf3e945...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:23.486216ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057721/publication.md
observed 2ad91c921ae85728220b464048ee09e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:23.466307ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057721/publication.txt
observed ac5c80437a02bf5f769ffa8bb20da4de...
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.