OpenTechnical

OT-2026-000057741

Publication integrity record

Two cup vacuum gripper, two outlet manifold, three stage ejector, supply line pressure sensor, vented 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-2026-000057741) never changes.

Identity and time

Publication numberOT-2026-000057741 · never reused
Internal UUID01a0ae88-2695-7d06-a607-461e4f809d36 · 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-2026-000057741
StatusPUBLIC

Content hashes

Canonical texta0faca849132c4d8bc3f25b75ae60a4b36b92773c9629b793e33ea016008a147
Markdowna6707484f793aaf475e82a51aa865cb2acc31c94555a1a7a220d6df94ccd2e84
PDF
Publication page8e606fd9e14743fb4b00ddf34ca4e50b84347e687326418ceba721384b91eb3d
Manifest7be1be5fdf2b652a26703e5a0941124a04bd246728dad85510312931f861d42b

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
SignaturenK8idFAPrRWD3iwkCoQE+j/QE0j+hqY8eYGTN11vOPnVY1/PcFh/nJYwi+9LiRaIx9ZtAxV1qlJq/+5+2XoeCA==
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

2026-09-17T10:48:25.043639ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057741
observed 8e606fd9e14743fb4b00ddf34ca4e50b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:25.025084ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057741/manifest.json
observed 7be1be5fdf2b652a26703e5a0941124a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:25.006544ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057741/publication.md
observed a6707484f793aaf475e82a51aa865cb2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:24.990264ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057741/publication.txt
observed a0faca849132c4d8bc3f25b75ae60a4b...
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.