OpenTechnical

OT-2026-000047600

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, supply line 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-2026-000047600) never changes.

Identity and time

Publication numberOT-2026-000047600 · never reused
Internal UUID01a0ae7f-3e59-791b-aac7-cb97d8d6a49b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:32:49.774666Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047600
StatusPUBLIC

Content hashes

Canonical text9919e5db25be2ec7cf171b24233852a6472078d1c9927e7059ccb17e4a024fa5
Markdown702479c8ed1b52e38454200c076cab1377c5c51165324df246358b37cbad3ac2
PDF
Publication pageef4c86a8ffc878ae8df257f3b7908f62dcb5b975a2f48fd4d846a714a11f7520
Manifest0172ec7d90a8ef556152ff9d636e300ae75c5ad402adf8d3fec316c471f00fb0

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
SignatureKeX7satxfYS5RcELK9tLhGd2dmkWfWSzVCoW6ePvXUrypRkBEO2A+RjWs8zgPIS3ebTUEXWDcR6VsALmXoSmAw==
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

2026-09-17T11:06:44.225108ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047600
observed ef4c86a8ffc878ae8df257f3b7908f62...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:44.204754ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047600/manifest.json
observed 0172ec7d90a8ef556152ff9d636e300a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:44.185734ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047600/publication.md
observed 702479c8ed1b52e38454200c076cab13...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:44.167192ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047600/publication.txt
observed 9919e5db25be2ec7cf171b24233852a6...
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.