OpenTechnical

OT-2026-000047456

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, supply line pressure sensor, pulsed blow-off after 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-2026-000047456) never changes.

Identity and time

Publication numberOT-2026-000047456 · never reused
Internal UUID01a0ae7f-3e58-7133-adc0-1f398c594f0f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:32:49.774666Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047456
StatusPUBLIC

Content hashes

Canonical textaad8740df3a8bb508039e11e1d7eff93c484ed5952606c417415435d180a7708
Markdown56731e3844e705a610043222dca3192d50da117fee104f9f4e5a8cf0ae22c501
PDF
Publication paged4e9dfe81716810b9e38c879f2d1e0ab0d1706de6be0c0a5c8bf0b986b37660c
Manifestf1dcab32000767d6b5e3aeb24155f4a2688971dc556f753d7cdd89d0d3a9ebe1

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
SignaturekOaudko9C9yPMkTLfrshaDF5h5Cizu57Fg9tgKv9TK2foRgysYtVcZHXO8ZbkIpXJLiCzK7AHpjzc21uTF/GBw==
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

2026-09-17T11:06:29.248324ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047456
observed d4e9dfe81716810b9e38c879f2d1e0ab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:29.228857ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047456/manifest.json
observed f1dcab32000767d6b5e3aeb24155f4a2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:29.209677ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047456/publication.md
observed 56731e3844e705a610043222dca3192d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:29.189586ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047456/publication.txt
observed aad8740df3a8bb508039e11e1d7eff93...
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.