OpenTechnical

OT-2026-000026437

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, two stage ejector, 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-2026-000026437) never changes.

Identity and time

Publication numberOT-2026-000026437 · never reused
Internal UUID01a0ae71-f4a8-7685-b84d-067721686613 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:18.960773Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026437
StatusPUBLIC

Content hashes

Canonical textc6770383e1b87bd6572c255b3e78dcdb950e33a4ddb510e9d1592497f6f83c4c
Markdownac76dfafc5e0940327e9591ac6723a5d93e4211e5e040f125c213aa8e81c095c
PDF
Publication page63eabe4e6f79b6c1e326ddeb693ea265b47dc248681cf034a665a1ce897d4009
Manifest5b3a10083083bc5e29ef59f79a9949b93f281f62a684eb1ad06a29ac3015001b

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
SignatureA8uKd8hUo87poqTHal4SojgJX5X8f6heQSt8QmxCkya6u4paVmYU4VfWnTAPX2pquEPP8nKAUBbugBCRKjlrCg==
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

2026-09-17T11:44:26.012984ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026437
observed 63eabe4e6f79b6c1e326ddeb693ea265...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:25.997820ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026437/manifest.json
observed 5b3a10083083bc5e29ef59f79a9949b9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:25.981436ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026437/publication.md
observed ac76dfafc5e0940327e9591ac6723a5d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:25.965779ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026437/publication.txt
observed c6770383e1b87bd6572c255b3e78dcdb...
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.