OpenTechnical

OT-2026-000039381

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, pulsed 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-2026-000039381) never changes.

Identity and time

Publication numberOT-2026-000039381 · never reused
Internal UUID01a0ae78-9675-75b5-a22b-e739a88b5b5f · 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-2026-000039381
StatusPUBLIC

Content hashes

Canonical text993c2711d1eb2be125be0221a4da1ce4b32b736bb136b43552b80f14b3ff35be
Markdown6e68fd05a13e632810287f888a24f9badba64c63645560424b6abd03055fce5c
PDF
Publication paged1719cd7132d6623096139c43a4e7c7aad5651830f4fda87decaef9d43bcf473
Manifest16d54cf93fe1e74b2aa30a9a71a50505c367ebb9411c4db24dd32b317544d55d

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
SignatureCeOkytNCPqxfmdXEYfFLvAIy6p/BHpCey1RztAsXsF3cFBH6FU2HIIADIRQpoEF45wGxTZ8fW3mi5oQCLVF0CA==
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

2026-09-17T11:20:59.385585ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039381
observed d1719cd7132d6623096139c43a4e7c7a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:59.366812ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039381/manifest.json
observed 16d54cf93fe1e74b2aa30a9a71a50505...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:59.350008ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039381/publication.md
observed 6e68fd05a13e632810287f888a24f9ba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:59.331826ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039381/publication.txt
observed 993c2711d1eb2be125be0221a4da1ce4...
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.