OpenTechnical

OT-2026-000032572

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, two stage ejector, 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-2026-000032572) never changes.

Identity and time

Publication numberOT-2026-000032572 · never reused
Internal UUID01a0ae75-106f-761e-9399-abf394455b64 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:42.658092Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032572
StatusPUBLIC

Content hashes

Canonical text5220958ff6a155935b0f450fe77485efa20ca71a4d28f04c2a8b9e8ac0efaa25
Markdowncd2751b6cdc5e6b1eee05d83706b18ea86877fac3da7875ae5918059cc37e0da
PDF
Publication pageeaf8fc91de7f21f27a6a767a46237509ef70169b204b1640291d071ae6463554
Manifest6b880b98f9324ac4bbd9ec2eac1c5aaa648161abd217b3ac87addd093b0cbd0b

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
SignatureRQk64abXPnAKAtiYBooksuFOCOwT+ko5y0C5T3FS/tpUhLA7DUXoq7UDYmuX5wp38qNUMDyHqLafwlP4YkRRDw==
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

2026-09-17T11:34:08.739910ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032572
observed eaf8fc91de7f21f27a6a767a46237509...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:08.724380ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032572/manifest.json
observed 6b880b98f9324ac4bbd9ec2eac1c5aaa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:08.707756ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032572/publication.md
observed cd2751b6cdc5e6b1eee05d83706b18ea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:08.691009ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032572/publication.txt
observed 5220958ff6a155935b0f450fe77485ef...
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.