OpenTechnical

OT-2026-000037456

Publication integrity record

Three bellows cup 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-2026-000037456) never changes.

Identity and time

Publication numberOT-2026-000037456 · never reused
Internal UUID01a0ae77-b8ce-797b-98bf-7ac974104209 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:36.831192Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000037456
StatusPUBLIC

Content hashes

Canonical text986b33afa9738f304324c8f98ced09a894b69573cf73b52f4f1cb065bc83dbba
Markdown3855f9c0599fb48e42d362312cd8ded7d6159b9a934a2945456bb12dcefc07f0
PDF
Publication page95d44f9a4e6f45401afdeb5ae8ac2a8e9aa9f0bc0c291796f30b019fc79ce02f
Manifestdeb1f556a88954fdb3f0599ddc645c4feba0c8932466587658bf75a402ff9aa7

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
SignatureMRxSvPlABuPJZdi1uiuihSkls7kyVBarOqL+fN5vBJ3uGU/ihisH7JySuWxFdvkQZLtYUxwTcwJQ3CUun40EAw==
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

2026-09-17T11:23:53.500798ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037456
observed 95d44f9a4e6f45401afdeb5ae8ac2a8e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:53.483316ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037456/manifest.json
observed deb1f556a88954fdb3f0599ddc645c4f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:53.466967ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037456/publication.md
observed 3855f9c0599fb48e42d362312cd8ded7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:53.449726ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037456/publication.txt
observed 986b33afa9738f304324c8f98ced09a8...
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.