OpenTechnical

OT-2026-000026762

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, manifold 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-2026-000026762) never changes.

Identity and time

Publication numberOT-2026-000026762 · never reused
Internal UUID01a0ae72-3451-7bdb-aa15-368d612f1cac · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:35.358864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026762
StatusPUBLIC

Content hashes

Canonical text71a186b46ad71ed598196020bf6aea030c2ca723aef3850b2860b38db87d6c9d
Markdown464d8f67ff4beb6c7cf134d0f35660c76ef2141941d9755dca9a90ad0f528118
PDF
Publication pageaa138bf94e3c7ec6bc16fa37271f0094f093c3050e8a19804792899baa78b8f5
Manifestd48c9016bda9d953973d85156441b11e83aa154588f1d972cc43a5ff4a79f2a5

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
SignaturejGTVzLvZYqG+9GP8fPM1JAEoNLRZK5f3WdOBqgbLMegoL+XJ8a5C9kJpAaCdQm6NA2wBrnyX1w8VEagtclnkBw==
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

2026-09-17T11:43:20.002604ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026762
observed aa138bf94e3c7ec6bc16fa37271f0094...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:19.983165ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026762/manifest.json
observed d48c9016bda9d953973d85156441b11e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:19.966108ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026762/publication.md
observed 464d8f67ff4beb6c7cf134d0f35660c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:19.949757ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026762/publication.txt
observed 71a186b46ad71ed598196020bf6aea03...
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.