OpenTechnical

OT-2026-000087614

Publication integrity record

Four bellows cup vacuum gripper, four zone face, plant vacuum fed, supply line pressure sensor, sustained blow-off 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-2026-000087614) never changes.

Identity and time

Publication numberOT-2026-000087614 · never reused
Internal UUID01a0ae9a-cd53-7a8b-b4e3-678e6e531376 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:55.852518Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087614
StatusPUBLIC

Content hashes

Canonical text0ca7e65e4ffe91ad106e791306d714ee99f1952dea4335dd2fa2e6c1d401739b
Markdownaf4f93c76434af876ae4866af7ed537718d5c76783945eafa158a7fea8002c11
PDF
Publication page2b278da6d2d6a790bad64f3801156e86fe97630bbee4a8133f60067ed13c591f
Manifestdabfae736f92c38bd3a8fdd89929a9cff1798b6ba0a60e2ec684600eb4c18f59

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
SignaturejgkK0sekRBiSWTEBLPAWa+mlivI2gJe/K/WSl0i4Tajm2zVW11JzFcGxi3t9c7G6n+2xqO9fSskHZldeJKVwCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:51:03.389893ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087614
observed 2b278da6d2d6a790bad64f3801156e86...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:03.375144ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087614/manifest.json
observed dabfae736f92c38bd3a8fdd89929a9cf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:03.360368ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087614/publication.md
observed af4f93c76434af876ae4866af7ed5377...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:03.345139ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087614/publication.txt
observed 0ca7e65e4ffe91ad106e791306d714ee...
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.