OpenTechnical

OT-2026-000033196

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, supply line 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-2026-000033196) never changes.

Identity and time

Publication numberOT-2026-000033196 · never reused
Internal UUID01a0ae75-4844-7e00-92c7-09f6d54b226c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:57.065765Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033196
StatusPUBLIC

Content hashes

Canonical text703414a05aedc1fe8912f85f574eb38f9d9f529920de7c52f782471aece23b5c
Markdownabc43f17cbcc19ac70e1965cdbe9cccc9a8ad2b172e99e4292506098fcebe9c7
PDF
Publication page14d96763934f7dee48ad28868c3f270ec09a6d861a82a3428c7a5a0a940c85d0
Manifest632058daee6fb2698860ad21975594abf438f059a27765621945b95d6ef1072a

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
SignatureZ43H7WJyxRqVLksxzZbeR0Cxp+07Tv+mHuII1wZ/E9JeS+IcLHjYDi5WiwIP1rXJ/usmq5jR+R0JEoF4KSEUBw==
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

2026-09-17T11:32:53.601920ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033196
observed 14d96763934f7dee48ad28868c3f270e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:53.584107ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033196/manifest.json
observed 632058daee6fb2698860ad21975594ab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:53.565914ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033196/publication.md
observed abc43f17cbcc19ac70e1965cdbe9cccc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:53.549019ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033196/publication.txt
observed 703414a05aedc1fe8912f85f574eb38f...
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.