OpenTechnical

OT-2026-000073643

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, 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-2026-000073643) never changes.

Identity and time

Publication numberOT-2026-000073643 · never reused
Internal UUID01a0ae93-2b8c-747c-96b4-edd4af4df2af · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:35.679268Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073643
StatusPUBLIC

Content hashes

Canonical textc0b37e2a904569d4b45603b3f7f9894bdf4663b5313dbcd0afa303a70dbcc4e2
Markdown69de8cedf344f86f0ccd204fbca1a240778c047507e8b854b144999ef494f110
PDF
Publication page2a660509e8ba52e099542a2f126c03404d415ba591359272d8da4b0846a08952
Manifest4695d0df507a159cf2bd813e30be8458de93f4a8ab2e17371af68ec5f9c20f6b

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
SignatureF69WIODeMJDuI0Uyi+oWOlmB7Qgs9Lh0Ej8WaX1VGZPZyySBaqDHOPNwCfws2eZotC9DfAKB1bckWwV9YM1fAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:19:41.424670ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073643
observed 2a660509e8ba52e099542a2f126c0340...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:41.405184ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073643/manifest.json
observed 4695d0df507a159cf2bd813e30be8458...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:41.386618ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073643/publication.md
observed 69de8cedf344f86f0ccd204fbca1a240...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:41.365646ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073643/publication.txt
observed c0b37e2a904569d4b45603b3f7f9894b...
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.