OpenTechnical

OT-2026-000044577

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, supply line 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-2026-000044577) never changes.

Identity and time

Publication numberOT-2026-000044577 · never reused
Internal UUID01a0ae7c-39d9-7291-9bc2-9d044667597d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:32.012327Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044577
StatusPUBLIC

Content hashes

Canonical text7125f110f7119bb0a64d6f5219869a8f2f904f1190ca431531d2c1dff83e8dda
Markdown282332bb8f0b577acbfdd23169004ce53bcd21ccc76c9353647f3c1c9f23c785
PDF
Publication pagec3ad3b16d55a267ecf4026a3233e797a727aaebd3ea9e7b7773ad4de7f4e6640
Manifest91ae0fad1b45bb2e14813d8f3ff01237eb331db6a0a1c7e9ce04c8b2c895f1c4

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
SignaturelnFOcUUdHJJ85i6MGgpKRVNF0kTerX5zXsWrvlr0jXAhtURw2/9mpbWucR/s+yG/6Ao3y83guH+pbzdDZFCPAA==
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

2026-09-17T11:11:46.465678ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044577
observed c3ad3b16d55a267ecf4026a3233e797a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:46.447630ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044577/manifest.json
observed 91ae0fad1b45bb2e14813d8f3ff01237...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:46.429551ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044577/publication.md
observed 282332bb8f0b577acbfdd23169004ce5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:46.409821ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044577/publication.txt
observed 7125f110f7119bb0a64d6f5219869a8f...
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.