OpenTechnical

OT-2026-000086552

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, plant vacuum fed, sustained blow-off before set-down

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-2026-000086552) never changes.

Identity and time

Publication numberOT-2026-000086552 · never reused
Internal UUID01a0ae9a-2c98-7aef-a7b0-133bf00326a3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:14.823225Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086552
StatusPUBLIC

Content hashes

Canonical text946c8abae8a9fbf2fed5b3a67b6a5da56b38f48c771aa2773eb5f1fba1d7a65a
Markdown11224628c59cae7d05a0f46c8d4bf6c1e96b7016618a92822401160f107231c6
PDF
Publication page31f4158e20cf428134838baa89803a85cef2f85b0f8b86ab2359cb79a971d744
Manifest83fcdc69207eed64b54bd972828ebc4b193d3041633b334918df94a40e2215da

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
Signatureh6L9yMq80ntmOZWaz+gA8j/PeeKcariX/I0JKzhn8df/Lt49oIO7N7tigieavuTZsTwb+/pa9CTOvEmcYMlmAA==
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

2026-09-17T09:52:23.022023ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086552
observed 31f4158e20cf428134838baa89803a85...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:23.005738ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086552/manifest.json
observed 83fcdc69207eed64b54bd972828ebc4b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:22.987334ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086552/publication.md
observed 11224628c59cae7d05a0f46c8d4bf6c1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:22.969916ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086552/publication.txt
observed 946c8abae8a9fbf2fed5b3a67b6a5da5...
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.