OpenTechnical

OT-2026-000074808

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, 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-2026-000074808) never changes.

Identity and time

Publication numberOT-2026-000074808 · never reused
Internal UUID01a0ae93-ac2c-74de-9072-b89fd6567d3f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:08.693295Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074808
StatusPUBLIC

Content hashes

Canonical text5b8d52ac7d5803f300b5e59623f74a2873a6a199a52a2ad109f6f3ffb17ac372
Markdownf1efacbe18b1393c22d3e1ec0166f2617abe07711390985067e08635773ffc9c
PDF
Publication pageff3b8837c411d564750087517b25b2623bfc7ddc95caa2c13d765a4bdfe96a0b
Manifeste49e1c8ad04575bf0931adef08998ae8781bfdd7778fbe0b0c6f8dfe9935d999

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+kI7tWkNDSjZb5M96j1ipakQSLSjlTmVAhINOo1xJTpbJnZYaW0MmcfxZZd4PxBNj/YyqsPciPCJhZEaduFBA==
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

2026-09-17T10:18:30.839166ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074808
observed ff3b8837c411d564750087517b25b262...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:30.820936ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074808/manifest.json
observed e49e1c8ad04575bf0931adef08998ae8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:30.801755ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074808/publication.md
observed f1efacbe18b1393c22d3e1ec0166f261...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:30.782235ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074808/publication.txt
observed 5b8d52ac7d5803f300b5e59623f74a28...
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.