OpenTechnical

OT-2026-000020901

Publication integrity record

Six cup vacuum gripper, six outlet manifold, plant vacuum fed, manifold pressure sensor, pulsed blow-off before 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-2026-000020901) never changes.

Identity and time

Publication numberOT-2026-000020901 · never reused
Internal UUID01a0ae6f-65e3-7657-9d1b-5d7ef284392c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:31.316024Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000020901
StatusPUBLIC

Content hashes

Canonical textccdb59a5222e0ec29ecabbef6061b89f27226478d62ad2c978c7490df33d057f
Markdown9f349fdffa9c87e5ba8e32fc1d7b3aadc9aa8271ca9388c0db999209f04df047
PDF
Publication page50f9386cb0fc6b1d9f92018970bde8235f59206ace1128f6841827af232fa260
Manifestde7cc6a6800f6cd4bb0d3e3a9dbdf48194e0a48ebe649ad995002064ef81d944

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
Signatureizjo0dI2z98WFUn8qeZzX29FMS6pG0NYzpKAo4NSI7141sa3wlG9wmIbMiVG0flpLlVTQeCAGzENkFFNQfIxAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:56:01.060446ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020901
observed 50f9386cb0fc6b1d9f92018970bde823...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:01.041699ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020901/manifest.json
observed de7cc6a6800f6cd4bb0d3e3a9dbdf481...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:01.023213ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020901/publication.md
observed 9f349fdffa9c87e5ba8e32fc1d7b3aad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:00.978257ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020901/publication.txt
observed ccdb59a5222e0ec29ecabbef6061b89f...
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.