OpenTechnical

OT-2026-000091533

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, three stage ejector, pressure sensor per zone, 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-2026-000091533) never changes.

Identity and time

Publication numberOT-2026-000091533 · never reused
Internal UUID01a0ae9c-f16e-7cc2-aecc-855c8ee57d7e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:16.158740Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091533
StatusPUBLIC

Content hashes

Canonical texte8bb795f250dcaf480577aa68372c969f3ae5c5c41e4560fa55b4f661d7caa61
Markdownebfbff889ec0fbc0d0f04e9f6762d9517a86687b84ee800ac04a17a810b7a5d4
PDF
Publication pagef8866b4c282b2fcc3361aa5e292db7bbca3e28d17f7210866941949f0b3019be
Manifestf69f66d94352514a19f45ab6d36dec79254fce422d293400c07dbf55319a213c

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
SignatureZ+xONCquOwMcDigZFqsA8MMa0OQNnMbUEe2zkE+3foEH6EG3Y1mJl7slYdD7Ssqm3mNYZnwU+y5YFW/QtLLPBQ==
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

2026-09-17T09:43:48.048818ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091533
observed f8866b4c282b2fcc3361aa5e292db7bb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:48.033139ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091533/manifest.json
observed f69f66d94352514a19f45ab6d36dec79...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:48.017187ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091533/publication.md
observed ebfbff889ec0fbc0d0f04e9f6762d951...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:48.001611ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091533/publication.txt
observed e8bb795f250dcaf480577aa68372c969...
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.