OpenTechnical

OT-2026-000035836

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, sustained blow-off before set-down, on a tool changer

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-2026-000035836) never changes.

Identity and time

Publication numberOT-2026-000035836 · never reused
Internal UUID01a0ae76-b4c9-7e24-8b0d-6b12dd66ddac · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:23:30.265572Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000035836
StatusPUBLIC

Content hashes

Canonical text58ca212ca14a954e6c4e3713c0dd954c792886f3a7bddfd59a9505980bbf0aed
Markdown2778512ef7110c09e25db9f960249c584e4b82648b0bc865d128854d8ef7d8d4
PDF
Publication page0444e2c5887f83d1e6ac90b48aa51f641546ec3af83972d543747cb94c20a2aa
Manifest757fdd1e4f92eeac888bd84f82025a75e110be538371fa1850329d56f4e32a47

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
SignatureBf9ZM0jCrvekL6AAYPuYPECkXr8yg0nJFwakkWCR59Nej8rwkvdK4T7g+z4TMv7/JMSAVsQasCajxPa+XJOrBQ==
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

2026-09-17T11:27:33.530895ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035836
observed 0444e2c5887f83d1e6ac90b48aa51f64...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:27:33.513926ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035836/manifest.json
observed 757fdd1e4f92eeac888bd84f82025a75...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:27:33.497383ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035836/publication.md
observed 2778512ef7110c09e25db9f960249c58...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:27:33.480048ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035836/publication.txt
observed 58ca212ca14a954e6c4e3713c0dd954c...
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.