OpenTechnical

OT-2026-000067433

Publication integrity record

Six cup vacuum gripper, six outlet manifold, pump fed, manifold pressure sensor, vented after 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-2026-000067433) never changes.

Identity and time

Publication numberOT-2026-000067433 · never reused
Internal UUID01a0ae8f-6bd9-71f2-8322-2c2e87d1d42d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:29.998864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067433
StatusPUBLIC

Content hashes

Canonical text708ac78c4d781cda47b8b9a9e10a20442d8a5ee7b516a9ec481706a6c5ead8a6
Markdown8f22b9599c49c3f7ad50982d7ae73babedf6e790864ffdeec6b78fdd94007dc9
PDF
Publication pagebe9095174a57689ebf0b70c8cf8eac5da2d91eecaa0a2f17e1be46716a25efc0
Manifestc83e69f2334e6dcac3d2b107e8e3ab783f07130e03aab55400c8c414a83b0c0a

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
SignatureUpWF1If3/v19un9g/Xuq+yuL1E793xmd6cZUxUrFmySoU61YRwriRRk9bdWKRydkQdESGXxUCBHgnQVaoeUqAA==
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

2026-09-17T10:31:38.033409ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067433
observed be9095174a57689ebf0b70c8cf8eac5d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:38.016822ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067433/manifest.json
observed c83e69f2334e6dcac3d2b107e8e3ab78...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:37.999782ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067433/publication.md
observed 8f22b9599c49c3f7ad50982d7ae73bab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:37.982933ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067433/publication.txt
observed 708ac78c4d781cda47b8b9a9e10a2044...
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.