OpenTechnical

OT-2026-000057594

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, pump fed, manifold pressure sensor, vented before set-down

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-2026-000057594) never changes.

Identity and time

Publication numberOT-2026-000057594 · never reused
Internal UUID01a0ae88-2694-7b55-8722-2a196c5652d5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:33.513637Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057594
StatusPUBLIC

Content hashes

Canonical textf3b6e6bb31b130dd1b0356810f08bf6defa11c5e1c213046d6f9d28f308fe90b
Markdown0a895a32b1d1177f059fc00e33e2712b611c8a841adc47601626aca2f89ad4a4
PDF
Publication pageca419a676cc1af1c2e61a9143e288ceb816b07620074858d23a50829cbca8dc0
Manifest48e84e089f1c564b641fa309ad2744d271e7aebf69c8fff7314dcf2609f8d6bc

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
SignatureG/soggFJVHT/nchZnZZh2pXT0DRYRLLoUKmpXIxHfLmsutPQHhOweGa++eJGcwE5rYBa8Kl6S8vgCXD8sW9SDg==
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

2026-09-17T10:48:08.699561ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057594
observed ca419a676cc1af1c2e61a9143e288ceb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:08.680512ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057594/manifest.json
observed 48e84e089f1c564b641fa309ad2744d2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:08.661369ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057594/publication.md
observed 0a895a32b1d1177f059fc00e33e2712b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:08.642953ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057594/publication.txt
observed f3b6e6bb31b130dd1b0356810f08bf6d...
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.