OpenTechnical

OT-2026-000079479

Publication integrity record

Three bellows cup vacuum gripper, three zone face, single stage ejector, 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-2026-000079479) never changes.

Identity and time

Publication numberOT-2026-000079479 · never reused
Internal UUID01a0ae96-0b91-7039-b923-485423c692cf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:44.101434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079479
StatusPUBLIC

Content hashes

Canonical text453ce585a0c89f12166e8ded46d9284a7875e56917fe8c7d2e8eea5e1fa2d32e
Markdown5a7e91f5b88c76e213f730af8e27de944943db78385daab5a8c18a73e8d15ffa
PDF
Publication page9663ffcf500a858bcf4d0b53f28a2abf24fd4f793cbbe7f04d98a8c978232439
Manifest06e8a69d3c37e5830ccec0f09a0bfc137d72b7c3316b295fa3d0668973151f79

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
SignaturesDkhGlpqfkA2wrxc2TJldJsSaGeLocIp0Cqzq1B5FU7Ditlm57G0/9rbviBnhDEI/PBePiw8i9eHxHu8fXgaCw==
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

2026-09-17T10:05:06.109361ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079479
observed 9663ffcf500a858bcf4d0b53f28a2abf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:06.091414ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079479/manifest.json
observed 06e8a69d3c37e5830ccec0f09a0bfc13...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:06.072757ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079479/publication.md
observed 5a7e91f5b88c76e213f730af8e27de94...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:06.056601ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079479/publication.txt
observed 453ce585a0c89f12166e8ded46d9284a...
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.