OpenTechnical

OT-2026-000084452

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, three 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-2026-000084452) never changes.

Identity and time

Publication numberOT-2026-000084452 · never reused
Internal UUID01a0ae98-5b63-70bb-80bb-709e59a9f293 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:15.619216Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084452
StatusPUBLIC

Content hashes

Canonical text79e6c6db2b85a56bcf144fad877f435fd3d4a18b8765e956295d8cb7be9a91d3
Markdown1a3e111fd90cd6bda986780809df0142f10296952142aebec20ac762fb3aece7
PDF
Publication pagefb1fec221c1644c78f08bb8e1eb4b8c2a2932c5a8d869d650a0b98c8a8e9b54e
Manifest0b3afa1b68b0cabde890015096187ff84d52b609e89b014b96a6a3d39aab6cf9

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
SignatureZYEMRdCDVhnbrkAj5RmmORN6tYyo0NSpC72q46kZU4HH7KNPRwWlsBOp0IescjRgSKNxR6KkeLEc0MqMbtz1Dg==
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

2026-09-17T09:56:24.724888ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084452
observed fb1fec221c1644c78f08bb8e1eb4b8c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:24.707838ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084452/manifest.json
observed 0b3afa1b68b0cabde890015096187ff8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:24.689207ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084452/publication.md
observed 1a3e111fd90cd6bda986780809df0142...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:24.672443ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084452/publication.txt
observed 79e6c6db2b85a56bcf144fad877f435f...
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.