OpenTechnical

OT-2026-000082347

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, plant vacuum fed, 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-2026-000082347) never changes.

Identity and time

Publication numberOT-2026-000082347 · never reused
Internal UUID01a0ae97-4d95-74b5-9185-ddd7da7476a4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:06.536388Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000082347
StatusPUBLIC

Content hashes

Canonical textc05fb004472e743d50c3ea6177091e157cba78f878239766ece5083de3800e29
Markdown70548e47fc1c7a2452cfe4a62dd21751b88579dd6d50830f5a73ead381fca01c
PDF
Publication page9f22f23369e441a69fe923b8fb45367ec90f20f87db0054cfc57855822e15139
Manifestface77bbcb56039e4da76a14c5ce2946839b2afd2068d46dd597e7c99f484f06

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
SignaturefSMJiFB17ddOFWDdnUGmkGbVbuXb55tQOf/3uF4kh9pvul19ygBhL64JjaWoWiN5Dv1EdSw1+ze+b8uvvRg3Dw==
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

2026-09-17T09:59:13.215596ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082347
observed 9f22f23369e441a69fe923b8fb45367e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:13.198075ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082347/manifest.json
observed face77bbcb56039e4da76a14c5ce2946...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:13.182495ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082347/publication.md
observed 70548e47fc1c7a2452cfe4a62dd21751...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:13.167464ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082347/publication.txt
observed c05fb004472e743d50c3ea6177091e15...
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.