OpenTechnical

OT-2026-000046390

Publication integrity record

Foam pad vacuum gripper, three stage ejector, 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-2026-000046390) never changes.

Identity and time

Publication numberOT-2026-000046390 · never reused
Internal UUID01a0ae7e-57db-7399-b438-f6ecc7d6493c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:31:51.003526Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000046390
StatusPUBLIC

Content hashes

Canonical textcf42740e1818c6408216e4a5c71b4906025abf714c2a77e03d36615eff941073
Markdown2ca366c3b4bd23a1568f767c838c6d3c37554fb471b71de2231af6c2b08f712c
PDF
Publication page90e3d1463fb3f642b5c2428d38140d76831955ebe4aa85eb109f0481a0bedf8e
Manifestd89d479f4bff379eb36e07c61f36e7e390ad4b08baf186e823760534ba222ddf

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
SignaturebdrnUIlZjy3zVge1KLdCX+E4WNV+YUkANII5lcva+szMMLrNS1hHeRBBH54lM4LmOd65WX1MBxhz/YqLko+DDw==
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

2026-09-17T11:08:23.678735ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046390
observed 90e3d1463fb3f642b5c2428d38140d76...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:23.662506ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046390/manifest.json
observed d89d479f4bff379eb36e07c61f36e7e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:23.645765ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046390/publication.md
observed 2ca366c3b4bd23a1568f767c838c6d3c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:23.627898ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046390/publication.txt
observed cf42740e1818c6408216e4a5c71b4906...
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.