OpenTechnical

OT-2026-000049302

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, sustained blow-off after 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-2026-000049302) never changes.

Identity and time

Publication numberOT-2026-000049302 · never reused
Internal UUID01a0ae81-1350-76aa-bec2-af80b4dca7d1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:34:49.967260Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049302
StatusPUBLIC

Content hashes

Canonical texta749c185f095021b572378eb621dd38288f47a7c0815e45c41f05c496580fbfc
Markdown336f7250c8543963385a0ce6d8fbe2f7c5ed86c44c801beee4f22a57165e0ae4
PDF
Publication page0f6d324663907da20bdbdd4790f0fe6b8ebefe756438127ce1e3c7dacf8bea43
Manifesta111ebc056f2774d18c596cdd21213f9e5650081e7c3166da6a4a8ab4e604443

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
Signatureqhlf5bqlay0RQZkAr6+02RgB/33sFK36Z7wJCYMlU7qCVqz1jf1jKnoF3xL4dZy3rVCBTgBDwRJZocMeeblcAQ==
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

2026-09-17T11:04:10.022200ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049302
observed 0f6d324663907da20bdbdd4790f0fe6b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:10.003744ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049302/manifest.json
observed a111ebc056f2774d18c596cdd21213f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:09.983675ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049302/publication.md
observed 336f7250c8543963385a0ce6d8fbe2f7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:09.966221ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049302/publication.txt
observed a749c185f095021b572378eb621dd382...
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.