OpenTechnical

OT-2026-000085936

Publication integrity record

Foam pad vacuum gripper, two zone face, per zone isolation, plant vacuum fed, sustained 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-2026-000085936) never changes.

Identity and time

Publication numberOT-2026-000085936 · never reused
Internal UUID01a0ae99-e82a-757b-ba35-45f068d59c0c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:57.178584Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085936
StatusPUBLIC

Content hashes

Canonical text45f9e79a3a6b808490f59e112e80958c33d208ac446db86df0107df9d1536581
Markdown35d721db18653f77b2049b766c1b1af05badda7de1528a409fbb10e7971c472c
PDF
Publication page5d7dcfef16ff9370aee60a809e73ec0ae6c20605dd2b2c6541c93e87f2fd643a
Manifest1c44cf8089fc57d10f8527fffbac093a8a397f10a034bd420ffa7b68331c3612

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
SignatureFSPr5jEpwqiAZIULDaBDGwlD0MFwRXl20zDxqdjzUX+et1lCvP9xYDxEMhjYj3V03C6rXsAkcZOrbPRfzFsIBA==
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

2026-09-17T09:52:53.486423ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085936
observed 5d7dcfef16ff9370aee60a809e73ec0a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:53.466889ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085936/manifest.json
observed 1c44cf8089fc57d10f8527fffbac093a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:53.449744ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085936/publication.md
observed 35d721db18653f77b2049b766c1b1af0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:53.429713ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085936/publication.txt
observed 45f9e79a3a6b808490f59e112e80958c...
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.