OpenTechnical

OT-2026-000055548

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, manifold 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-2026-000055548) never changes.

Identity and time

Publication numberOT-2026-000055548 · never reused
Internal UUID01a0ae86-a102-7d89-a69b-b942ff76b9b7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:53.783868Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055548
StatusPUBLIC

Content hashes

Canonical text22e0cc087943c941db0bac5b2cb27905e1b1883283e0bdb52100a860b35f846e
Markdown675590331877b1205e2b68f65afa19e560f432818180982d6716b71cc5d509b1
PDF
Publication page2225842904468d071498db220969e9b90b6d8699f88532f9e95a89da8f740d92
Manifest6f7c8c530266c2e0beed9f76b8f4b7486e261f9da85a4d2f7daea8a6e81262a6

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
SignaturexhpdlDsWwRgP/xDggGmWPtIgy+f5dDYx94sbKYzU6EdQkqJ3H1D2EmQ9TuLDPHmFiD4EhxD9vSMuIf6B7jz/CQ==
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

2026-09-17T10:52:46.036408ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055548
observed 2225842904468d071498db220969e9b9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:46.017954ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055548/manifest.json
observed 6f7c8c530266c2e0beed9f76b8f4b748...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:45.998169ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055548/publication.md
observed 675590331877b1205e2b68f65afa19e5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:45.978168ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055548/publication.txt
observed 22e0cc087943c941db0bac5b2cb27905...
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.