OpenTechnical

OT-2026-000037249

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, supply line 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-2026-000037249) never changes.

Identity and time

Publication numberOT-2026-000037249 · never reused
Internal UUID01a0ae77-7741-7823-ac84-d527602cab3b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:20.049316Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000037249
StatusPUBLIC

Content hashes

Canonical text71d9d44a1ae633b96c26149204ca682b6c6314db02e966816eeea976400ca7c0
Markdown367ffabcca03a39ffcebe0f83a89481881496a899b903897c2b6e5b028a9a816
PDF
Publication page984c9e8d3fdc45b93e7df156cbf4ca493ce649b23227d7ebaec4fb5fb33aed70
Manifest20c2c62a10db8fa351a20a028a17efe89c43395cb3829cb2aac958b38b6c05fb

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
SignatureGAZShCGHjVBt7Umn9CPy55lcHXw44jJYcbhnbaw4j2u8IQiAd7ynBroNfjumWSk/We++b+MpfzOkQbIr/VAPDQ==
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

2026-09-17T11:25:08.954232ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037249
observed 984c9e8d3fdc45b93e7df156cbf4ca49...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:25:08.938524ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037249/manifest.json
observed 20c2c62a10db8fa351a20a028a17efe8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:25:08.922442ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037249/publication.md
observed 367ffabcca03a39ffcebe0f83a894818...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:25:08.907146ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037249/publication.txt
observed 71d9d44a1ae633b96c26149204ca682b...
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.