OpenTechnical

OT-2026-000025450

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, single stage ejector, 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-2026-000025450) never changes.

Identity and time

Publication numberOT-2026-000025450 · never reused
Internal UUID01a0ae71-5fa7-705a-9b11-0b751d1fbf0d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:40.790954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025450
StatusPUBLIC

Content hashes

Canonical text4c5c2b6697e6277b18eed4b11b04537ab837593b687f6642d8b810478c6c788f
Markdown221c1cc4dfa267a13c5d90c28804ba3579dd02303d95db353ca94463f78f9074
PDF
Publication paged8f23783aa860d23060f1caa3028fd7cca6418ba343c49b26e533f6040b80fe3
Manifestd7ef5cd3f902c23095a57663ee248d7740d88bb6fb938d24c8b77baf7a5ea784

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
SignaturefvUY/fBBilISP8A4nbXyAzDIHiY62MbZx0+i59obXGYUfUsFIu8v46II4iZZbyBJU6E9iwyfuRgiywyH8leGCw==
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

2026-09-17T11:47:31.966074ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025450
observed d8f23783aa860d23060f1caa3028fd7c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:31.949422ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025450/manifest.json
observed d7ef5cd3f902c23095a57663ee248d77...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:31.933116ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025450/publication.md
observed 221c1cc4dfa267a13c5d90c28804ba35...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:31.917120ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025450/publication.txt
observed 4c5c2b6697e6277b18eed4b11b04537a...
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.