OpenTechnical

OT-2026-000040780

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, manifold pressure sensor, sustained blow-off before 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-2026-000040780) never changes.

Identity and time

Publication numberOT-2026-000040780 · never reused
Internal UUID01a0ae79-6d0f-731e-8584-2b949d6b6cae · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:28.516236Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000040780
StatusPUBLIC

Content hashes

Canonical textdddf34761330b68c117c721dc990294b2adb5b5fdb1d15ff769908d72fd00e88
Markdownd9953c49408f5a05cd5c1c2207bf07b2a84f77f33b45be13aa576fdf4b314fbc
PDF
Publication paged0ba63be7606906c8fb457b54a455f1d66165b3233fc8a93640d8a01a96a16e1
Manifest6ff64399225c9cbf8928725703a1872a1470863e2dd7dacd02dfcc6e9e9d5239

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
Signature9LVDE1i4aXxNNE3dQQNjLBt8nda0BuMV3Lxgezb3Hz3WAquD0DTG9O1tekymIkzPxhm9eGQcYY6WZfGgH0qQAA==
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

2026-09-17T11:20:05.048368ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040780
observed d0ba63be7606906c8fb457b54a455f1d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:05.031999ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040780/manifest.json
observed 6ff64399225c9cbf8928725703a1872a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:05.013709ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040780/publication.md
observed d9953c49408f5a05cd5c1c2207bf07b2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:04.995476ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040780/publication.txt
observed dddf34761330b68c117c721dc990294b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:32.906094ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040780
observed d0ba63be7606906c8fb457b54a455f1d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:32.886504ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040780/manifest.json
observed 6ff64399225c9cbf8928725703a1872a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:32.869083ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040780/publication.md
observed d9953c49408f5a05cd5c1c2207bf07b2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:32.850029ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040780/publication.txt
observed dddf34761330b68c117c721dc990294b...
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.