OpenTechnical

OT-2026-000064180

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, manifold pressure sensor, sustained 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-2026-000064180) never changes.

Identity and time

Publication numberOT-2026-000064180 · never reused
Internal UUID01a0ae8d-a45f-7a97-aeef-8172ff70b72f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:33.392114Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064180
StatusPUBLIC

Content hashes

Canonical text22245eeb0d3573b256ed572540da9affd9329af4af3fb2a932a6c7cebc352753
Markdown111e658811cf76b9f41823afdfe78a13a07b79d2eaab806994ffa81098d6e862
PDF
Publication page5f4b4e93f4d9cc7b4dc3f6762510d848087e31456e8a9a4bb5827ae0f7ad0b38
Manifestd54166016d240d07c5b924d5bc99be052239f990c115c58732036d42645922d1

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
SignaturerqNtU1xAiX+wbXsgwmXgAdphTkJKsA8xJRzqGCffiEsR8+KsBScEZ9qk+KbvRFGDnnV4V9lEUthYpQ9xsCN6AQ==
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

2026-09-17T10:36:11.809200ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064180
observed 5f4b4e93f4d9cc7b4dc3f6762510d848...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:11.791552ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064180/manifest.json
observed d54166016d240d07c5b924d5bc99be05...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:11.773085ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064180/publication.md
observed 111e658811cf76b9f41823afdfe78a13...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:11.756106ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064180/publication.txt
observed 22245eeb0d3573b256ed572540da9aff...
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.