OpenTechnical

OT-2026-000037423

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, plant vacuum fed, supply line pressure sensor, pulsed 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-2026-000037423) never changes.

Identity and time

Publication numberOT-2026-000037423 · never reused
Internal UUID01a0ae77-b8cd-7614-992c-49994c9c4ba8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:36.831192Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000037423
StatusPUBLIC

Content hashes

Canonical text349f42583846b6eb7d5d37a4bdd1c1de5ee0ee55ba895ce448944e1c12caa5f0
Markdown3cc794cdda64e8483f223d6dfb9f9f30d8d30df4b162f2348e5f36fead567863
PDF
Publication page231c731c21b00924f909a22619fae7139fb0be2b6d6df7f0c015e6d4d88c01d8
Manifest043399f0e3a985202b5767bad7b539abaccc43ed0e5698a1f7a30137f7b75511

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
Signatureu1P7B2g+ljtJG+bzWJSdZDu0XCkYOsrMszYGf5VnHPvLt2kFEheMySmjXuKSKeAJk4WI3xTnE3C02g4PbW3hCA==
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

2026-09-17T11:23:51.375886ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037423
observed 231c731c21b00924f909a22619fae713...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:51.357929ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037423/manifest.json
observed 043399f0e3a985202b5767bad7b539ab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:51.340446ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037423/publication.md
observed 3cc794cdda64e8483f223d6dfb9f9f30...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:51.321357ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037423/publication.txt
observed 349f42583846b6eb7d5d37a4bdd1c1de...
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.