OpenTechnical

OT-2026-000087978

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, two stage ejector, supply line pressure sensor, 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-2026-000087978) never changes.

Identity and time

Publication numberOT-2026-000087978 · never reused
Internal UUID01a0ae9b-1aa6-7de6-befe-406901d14a22 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:15.638297Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087978
StatusPUBLIC

Content hashes

Canonical text6cce0533944c4c7bb4bc6365ddab986c277aafd28b1d79fc91e0cecf8792a6d6
Markdown86286ac6c4b76f8192cbf5c11921bb801a652e27fb445ba8dd7d16f6ba4a54d2
PDF
Publication pagec5db02a38165a65ef8a687bc95dad342e514cd09b1dd87c3d348f6aae7d2beeb
Manifestbda25f06a3b0d52935fb37a55029bb9b5e48ed611de4d71897a67e0b8c8041b9

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
Signature7jnxxyqaTih4Tg70dcb3wswSiWbWI9z8B5BPpnFi3nCFCvDFOTkj4fby0FRGaxsM2RpYucJZZIFz6luk6CbCCw==
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

2026-09-17T09:49:16.531763ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087978
observed c5db02a38165a65ef8a687bc95dad342...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:16.512757ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087978/manifest.json
observed bda25f06a3b0d52935fb37a55029bb9b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:16.494203ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087978/publication.md
observed 86286ac6c4b76f8192cbf5c11921bb80...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:16.474481ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087978/publication.txt
observed 6cce0533944c4c7bb4bc6365ddab986c...
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.