OpenTechnical

OT-2026-000058547

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, three stage ejector, supply line pressure sensor, pulsed 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-2026-000058547) never changes.

Identity and time

Publication numberOT-2026-000058547 · never reused
Internal UUID01a0ae88-f39b-7318-a40f-79825aaec8f3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:43:25.998432Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000058547
StatusPUBLIC

Content hashes

Canonical textcb754f2ac46a9853cec14e0b46d383361f8b9da74c141a1c0d0b3cf5066eed64
Markdown94f99b215872be29acbb1bc6c70b2b34b4800c0079cc37d20ce4fd161ae5b70e
PDF
Publication pagede048cefbf1b92d046198373a303a7ab122c70c4504bb71462dd19d370dad48e
Manifestc284c8d925c9c616d375669760a9db54106d766d691ce64363fbc4ea4e8eb076

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
Signatureu+ngpQyObIu7ob21gvVdf0rifoSIOhmjW2U1Ei6wF1C+m+XET5Ly+ytWqxTfRo6bRS0udaNfVWENsjnT0X3QCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:47:01.489149ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058547
observed de048cefbf1b92d046198373a303a7ab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:01.470929ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058547/manifest.json
observed c284c8d925c9c616d375669760a9db54...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:01.451864ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058547/publication.md
observed 94f99b215872be29acbb1bc6c70b2b34...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:01.432828ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058547/publication.txt
observed cb754f2ac46a9853cec14e0b46d38336...
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.