OpenTechnical

OT-2026-000066567

Publication integrity record

Two cup vacuum gripper, two zone face, common isolation valve, plant vacuum fed, pressure sensor per zone, pulsed 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-2026-000066567) never changes.

Identity and time

Publication numberOT-2026-000066567 · never reused
Internal UUID01a0ae8e-ce41-7a65-bc3e-cdb0d3ff8c05 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:49.649149Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000066567
StatusPUBLIC

Content hashes

Canonical text827a998d1741ad227369f124a58f24ba1d686eaacdcd5e7ae33bc956d29643e1
Markdown2d7b7415d879ae458974119f17da99d893edf50986644b707051987a0fdba0bf
PDF
Publication pagebdc871eacdaa84064ba280cc2e54e18311ca1630fedad1db4f5fee74f6d06f96
Manifest52a8d380e87db865a762c7f614d624af81368993c5f44d3fa120c29904b932d8

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
SignatureViHF9LO/py+oSWvSA5v7KK4FG8mAG+R8q5++0zxPXwG/w8flIYhv6HPO01kLEq7pflk4d2Oj6ibP6PlV5sgNCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:32:50.295417ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066567
observed bdc871eacdaa84064ba280cc2e54e183...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:50.278899ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066567/manifest.json
observed 52a8d380e87db865a762c7f614d624af...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:50.261486ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066567/publication.md
observed 2d7b7415d879ae458974119f17da99d8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:50.244479ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066567/publication.txt
observed 827a998d1741ad227369f124a58f24ba...
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.