OpenTechnical

OT-2026-000064553

Publication integrity record

Six cup vacuum gripper, six outlet manifold, plant vacuum fed, supply line pressure sensor, vented 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-2026-000064553) never changes.

Identity and time

Publication numberOT-2026-000064553 · never reused
Internal UUID01a0ae8d-a462-7110-bb19-8178ddeb6bba · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:33.392114Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064553
StatusPUBLIC

Content hashes

Canonical textde22f005c9e4ffccc653d9289a7f26113aa7a193e8c1b3ee8f31fce56f35ae57
Markdown833c008b8d2e53988697a9ad3e6035853ffe496fe7407c294e81612f9ad78834
PDF
Publication page8396dd4c66f2f2de37e51fb0eb402cfde52d278c5f83dad35c4dda2d2c9e9494
Manifest9e2d243873d37d341ad17245b33db3155a597f38b9ea40e9fc9c8d79511a394f

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
SignatureQPU/ZVFyaNnFr41uk03ELGbqUL9c2xEfo20noBFLtIcpEoYM7oKJ58LP4dXPI58mEfi69u5JFh7rcyo0ZCJIDA==
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

2026-09-17T10:36:46.382164ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064553
observed 8396dd4c66f2f2de37e51fb0eb402cfd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:46.365204ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064553/manifest.json
observed 9e2d243873d37d341ad17245b33db315...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:46.346721ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064553/publication.md
observed 833c008b8d2e53988697a9ad3e603585...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:46.328968ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064553/publication.txt
observed de22f005c9e4ffccc653d9289a7f2611...
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.