OpenTechnical

OT-2026-000074126

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, two stage ejector, supply line pressure sensor, vented 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-2026-000074126) never changes.

Identity and time

Publication numberOT-2026-000074126 · never reused
Internal UUID01a0ae93-7177-71ab-a43b-4792f2d949a1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:53.574555Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074126
StatusPUBLIC

Content hashes

Canonical text0172188e90a15f30920be7715e7fbcf4bf0c2b010f33a5b3a9176f071bafabb4
Markdown7b234cf58740c1c9119d766c8b2c99941c5231fab7d1bf4a5877d7ed3382538a
PDF
Publication pageb8759e89f3ab9ffa71601fd22e97fbb2b030f7164fe66d883293da9975986eab
Manifeste4132526e75939fc202f2b7d16f9dbde1c760844ba78a26d51e1a8ea697a0e01

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
SignaturelpCfF+6vTZQ2brPyu5ps8EArCyzpJsWTVuSwxTx6v3j5Ws0X5iL3yaHknKLADsXNb1nKZm5BFbAE4hyqIMk9DA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:18:58.130057ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074126
observed b8759e89f3ab9ffa71601fd22e97fbb2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:58.111931ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074126/manifest.json
observed e4132526e75939fc202f2b7d16f9dbde...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:58.093623ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074126/publication.md
observed 7b234cf58740c1c9119d766c8b2c9994...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:58.077506ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074126/publication.txt
observed 0172188e90a15f30920be7715e7fbcf4...
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.