OpenTechnical

OT-2026-000029163

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, two stage ejector, pulsed blow-off before set-down

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-2026-000029163) never changes.

Identity and time

Publication numberOT-2026-000029163 · never reused
Internal UUID01a0ae73-2aa0-72b3-9c31-e5d51bede0ae · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:38.288761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029163
StatusPUBLIC

Content hashes

Canonical textd648000f918a60aeef8c05593fd609ac1d83ece8a55e7d03e046a24e14f096ce
Markdown62cd5346fad9e81d3aad0d4a0e4be4773ff4de5b2de9eb97ca71cc4b4ee072b4
PDF
Publication page3e17f428ba7d7bb15991cb5a6511183da1bfb3661b6a6c4be37e97ca8b63b09b
Manifest724d655fec8c8b4c12b151cb5f1121849255502738bb6f68065c1dd941d909c4

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
SignatureZUSNub1/KXWxY3RvlxUPq3LnbSEt7SCu/Th1mLaIOu9pf6NLmv3lf7hbgHhg7IFPCcPHr36zM3e4PCxTS4bmAg==
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

2026-09-17T11:39:39.554339ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029163
observed 3e17f428ba7d7bb15991cb5a6511183d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:39.534979ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029163/manifest.json
observed 724d655fec8c8b4c12b151cb5f112184...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:39.515057ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029163/publication.md
observed 62cd5346fad9e81d3aad0d4a0e4be477...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:39.496255ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029163/publication.txt
observed d648000f918a60aeef8c05593fd609ac...
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.