OpenTechnical

OT-2026-000067764

Publication integrity record

Single bellows cup vacuum gripper, pump fed, supply line pressure sensor, sustained blow-off 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-2026-000067764) never changes.

Identity and time

Publication numberOT-2026-000067764 · never reused
Internal UUID01a0ae8f-c4fa-7738-94ac-69aaffff6a9c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:52.812402Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067764
StatusPUBLIC

Content hashes

Canonical texta6f9eb75c044963e965c51056e783b416fb4db337f8a90bf817e49ea1e624f12
Markdowndf8f48be6b5ce995c1d9c95ad577daa9be8efc53d3d8c71c16ec30cb33c96472
PDF
Publication pagee1a3caa0b9ced164d4f12f38daf26db03ee4238bbc6f01977bb0333676668168
Manifest4687eeca581d337afc7e2535940e9b98b06bd70b3af3fb04a106e48f8009072b

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
Signatureu0HM69X3fNCdZdvgZnSRXkmeHQqV/sBfh6Q2Uq/rHAJ0neQ8WqA1sb9rpPTTq5OIhz6TU149oNp9U47uVKUtCw==
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

2026-09-17T10:29:59.566676ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067764
observed e1a3caa0b9ced164d4f12f38daf26db0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:59.548974ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067764/manifest.json
observed 4687eeca581d337afc7e2535940e9b98...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:59.530340ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067764/publication.md
observed df8f48be6b5ce995c1d9c95ad577daa9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:59.513586ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067764/publication.txt
observed a6f9eb75c044963e965c51056e783b41...
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.