OpenTechnical

OT-2026-000053219

Publication integrity record

Three bellows cup vacuum gripper, three zone face, pump fed, supply line pressure sensor, pulsed 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-2026-000053219) never changes.

Identity and time

Publication numberOT-2026-000053219 · never reused
Internal UUID01a0ae85-0a14-7fd9-8bdf-a24da4060559 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:09.762364Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053219
StatusPUBLIC

Content hashes

Canonical text3c00116e94abc275ea2e115f87a69002ebc5ff88ac607eb9c330b1f486d63141
Markdownce1bff36d4f7bc4cc23c6ef9e7cf1bf25b12fdf2cbe10b1c5a931d4ff6c94fed
PDF
Publication page3d0616264c81422868715bea447e4bff9c070bc7e2b5ab9e57b63824eb931cd5
Manifest5c3da30f75f15f76ff1f1621be062e94db235c632dd041aeaabcfe94a29b474f

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
SignatureJvcgKm3P1ZbUi6omHYYT629lTQAHFBoOzKQ46wN8Aa7NwUYnzEBuNZ5tqdVuKYyAuRpj1IE2f1Tud58ts8cABA==
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...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T08:40:50.816133ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053219
observed 3d0616264c81422868715bea447e4bff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:50.794600ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053219/manifest.json
observed 5c3da30f75f15f76ff1f1621be062e94...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:50.773871ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053219/publication.md
observed ce1bff36d4f7bc4cc23c6ef9e7cf1bf2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:50.756307ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053219/publication.txt
observed 3c00116e94abc275ea2e115f87a69002...
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.