OpenTechnical

OT-2026-000039220

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, 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-2026-000039220) never changes.

Identity and time

Publication numberOT-2026-000039220 · never reused
Internal UUID01a0ae78-9673-7836-b777-6589eb9e2e2e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:33.573712Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039220
StatusPUBLIC

Content hashes

Canonical text4741b3ad7990b023e36fe208e07a1f661192ac3cd915a2fbba817def20b7f74d
Markdown5c9a0a4a8d8653795008ed42b5331c3519f1484dfed636d0db7067703001ea2b
PDF
Publication pagea194605e5c640e7ba3013e999f67516b24480233c4676503b7bc1b6d8cf061fe
Manifest3b5d34ebb1c0fcc63b1516344d1552188cdf2da56c4f6ea2a8caead8402d890f

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
SignaturekNE8xAdmrmuVbBMEQWDE2NvUZAM9KfADHKAv2gxlQrKM8Xnx+cTTeiWqfQd023v76WzVCpXJ/Ofbet7FjHL2DQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:20:46.406812ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039220
observed a194605e5c640e7ba3013e999f67516b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:46.389470ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039220/manifest.json
observed 3b5d34ebb1c0fcc63b1516344d155218...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:46.370964ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039220/publication.md
observed 5c9a0a4a8d8653795008ed42b5331c35...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:46.352822ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039220/publication.txt
observed 4741b3ad7990b023e36fe208e07a1f66...
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.