OpenTechnical

OT-2026-000063072

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, plant vacuum fed, manifold pressure sensor, sustained blow-off after 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-2026-000063072) never changes.

Identity and time

Publication numberOT-2026-000063072 · never reused
Internal UUID01a0ae8c-94a9-72c4-9519-3d14f30a082e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:23.840289Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063072
StatusPUBLIC

Content hashes

Canonical text7d78d9627e12a406720ec02e8d9a29c3b752fd559a5428815c315839e8a3041a
Markdownf4d11f0c16688f1bf06707cf46efde0e205203ee211ccd6e2ab3e741434b063c
PDF
Publication pagec5ed27313e5e804a6406d2c89ef4117f1da3c82b9348801503df2703e52ce11e
Manifest55b4977dc79e6d396ab07fd9f2725a28ccebbc0a324fd2c6cc0bbb7936daa74d

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
SignaturetIVs2L4pnoeBVCa+h6IZAj+B/sM+UhU9jaivMRFoe91Wx5b8CMpmGZs4x4gBrYjyDNoRedk63eCYwLIZAdtaCg==
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

2026-09-17T10:38:50.385177ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063072
observed c5ed27313e5e804a6406d2c89ef4117f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:50.368817ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063072/manifest.json
observed 55b4977dc79e6d396ab07fd9f2725a28...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:50.352550ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063072/publication.md
observed f4d11f0c16688f1bf06707cf46efde0e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:50.333190ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063072/publication.txt
observed 7d78d9627e12a406720ec02e8d9a29c3...
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.