OpenTechnical

OT-2026-000009353

Publication integrity record

Four cup vacuum gripper, four outlet manifold, plant vacuum fed, 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-2026-000009353) never changes.

Identity and time

Publication numberOT-2026-000009353 · never reused
Internal UUID01a0ae6b-7561-7e80-a25e-4abdf8e1e443 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:13.151287Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000009353
StatusPUBLIC

Content hashes

Canonical textdea8711eb0064680393c8c0c022f4a35630d8edfefee7d4f4f5deb9e34c68c77
Markdown32ec75f7bc997cdf47278f474b4e5443e3bd76d4e2eaf45123ae547d686a04b5
PDF
Publication page272d2c167d01749256331db1cd58a86466b7e5d0e0fd059cfce3140cbce65e85
Manifest3616d68d783171cd0e8b422c13c2e120de745cc13bba392ff86732a8c168d8b5

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
SignatureoOA/wMxJKfiFoZc7N1WJQkrK17ViJ5/elBfatCDyk30B0epuwBP79nBdjVpfVC4CbCGKUi9nb2PDJKA7G46nCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:16:37.063174ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009353
observed 272d2c167d01749256331db1cd58a864...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:37.041555ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009353/manifest.json
observed 3616d68d783171cd0e8b422c13c2e120...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:37.023446ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009353/publication.md
observed 32ec75f7bc997cdf47278f474b4e5443...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:37.003245ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009353/publication.txt
observed dea8711eb0064680393c8c0c022f4a35...
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.