OpenTechnical

OT-2026-000036478

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, pump fed, manifold pressure sensor, pulsed 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-2026-000036478) never changes.

Identity and time

Publication numberOT-2026-000036478 · never reused
Internal UUID01a0ae77-46e6-7717-94fd-97552487938f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:07.671965Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000036478
StatusPUBLIC

Content hashes

Canonical texta106ad8b86c939bc47d6dc1b924b443ffa44d5d081d15f884ae07a1e1a0593c4
Markdown39d5418e0e62c49046b939c6d81cc7986794ef573c69fad79885cd05ef00fdf2
PDF
Publication paged051082384dac00d506d83eea91c75d72bfaf385112907c0ae4169c7a6a2c60b
Manifest635fdcb4bc5f97ee5c975ab3bcb5efc5492ccb8cb87dc95528c119585542ea38

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
SignatureLN0nv11IvZuYhp570j6lg+r5IQBCutMeldYQcdJhmNjyOi5RFZblBXTZUMjW32VHchIV7pU5GD25pkH6IqA5Cg==
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

2026-09-17T11:25:09.825032ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036478
observed d051082384dac00d506d83eea91c75d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:25:09.809977ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036478/manifest.json
observed 635fdcb4bc5f97ee5c975ab3bcb5efc5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:25:09.793272ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036478/publication.md
observed 39d5418e0e62c49046b939c6d81cc798...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:25:09.776104ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036478/publication.txt
observed a106ad8b86c939bc47d6dc1b924b443f...
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.