OpenTechnical

OT-2026-000061900

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, single stage ejector, supply line pressure sensor, sustained blow-off after 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-2026-000061900) never changes.

Identity and time

Publication numberOT-2026-000061900 · never reused
Internal UUID01a0ae8b-b8ad-7b0b-b3c6-7312dafb6f94 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:27.528336Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061900
StatusPUBLIC

Content hashes

Canonical text82b5769fa779c1b76f253b041471e56a108a86310f64333b199cd1a239fd475b
Markdown3f6f809f9242d69f20c7a90d369e3f5abfc91c520a60748de4f3e000ccedd068
PDF
Publication pagee74a3f437a2c43cfc65e1b01d539ae6809fcf52e4d81d3bc45907b5545d04c92
Manifeste3146f704cf7b35cfe3a5169c9f98574a2003c868d5ec3e4d8b38f21463c965f

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
SignatureUc9pf6rwyV2tguqz2zgiOBIKJYXJFyFPtK72mh3oU89tsVaLKbLzN5MS5imKLTMLVmGfWCNBOU1aCQQpQujeDg==
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

2026-09-17T10:40:46.466296ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061900
observed e74a3f437a2c43cfc65e1b01d539ae68...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:46.445697ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061900/manifest.json
observed e3146f704cf7b35cfe3a5169c9f98574...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:46.423881ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061900/publication.md
observed 3f6f809f9242d69f20c7a90d369e3f5a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:46.404909ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061900/publication.txt
observed 82b5769fa779c1b76f253b041471e56a...
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.