OpenTechnical

OT-2026-000047821

Publication integrity record

Three cup vacuum gripper, three 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-2026-000047821) never changes.

Identity and time

Publication numberOT-2026-000047821 · never reused
Internal UUID01a0ae7f-c420-75c6-94b0-30b562a0c9f4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:24.028554Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047821
StatusPUBLIC

Content hashes

Canonical text0b977a84843a2153dc68c04e3ff0a221b3fa1d16d5e8b8285da8d2df0155563d
Markdown95444815df39773f645687f584aed38d1115474fce951d654f3a1fb0015812cb
PDF
Publication page7ab6f0b1430157f5469d01da2866a9633feb6accdde39050a55751056506a0fc
Manifest8d7a7c72e71f1e4dfe993d3c3629cec7547137f9a74673b2622214ca80a10e79

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
SignatureV4/3ebzSQqBnZVbWZCCBk006tRN5TuUcErFMqsTUy9N0KVum/5yqPC7flyRh6cwqY0NffX+NIRKGgIP0oLgzCQ==
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

2026-09-17T11:05:43.767650ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047821
observed 7ab6f0b1430157f5469d01da2866a963...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:43.745671ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047821/manifest.json
observed 8d7a7c72e71f1e4dfe993d3c3629cec7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:43.727669ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047821/publication.md
observed 95444815df39773f645687f584aed38d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:43.708759ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047821/publication.txt
observed 0b977a84843a2153dc68c04e3ff0a221...
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.