OpenTechnical

OT-2026-000017853

Publication integrity record

Six cup vacuum gripper, six outlet manifold, plant vacuum fed, supply line 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-2026-000017853) never changes.

Identity and time

Publication numberOT-2026-000017853 · never reused
Internal UUID01a0ae6e-96fb-7aa9-a02d-c70c4e117f00 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:38.350302Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017853
StatusPUBLIC

Content hashes

Canonical textd39cc977a5a4a1287df56809480a44c8db779608b105b615e09ce1965e6902c0
Markdownd5690e5e2ce38eb8431b59d4f5abc55412a7ab04283a3363320e6cf78a7ece97
PDF
Publication page0b599467c735861843f215472642b2177dbe0eca88d5be8ae07fa87591d0c71c
Manifest7fcb702e03af7e064c504ab800a2e10c8edaa1133760e6f0f017fb88aafc3518

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
Signaturech5p6orYa03wv0FGXEDKuO2RdvUS6Pcw9dsc3DKVLk/H+UBZ8t6VvKJrLIWKlw8RBDf/vjvcZ9GUHq775DnJDw==
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

2026-09-17T12:01:50.122639ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017853
observed 0b599467c735861843f215472642b217...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:50.107532ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017853/manifest.json
observed 7fcb702e03af7e064c504ab800a2e10c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:50.090133ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017853/publication.md
observed d5690e5e2ce38eb8431b59d4f5abc554...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:50.073826ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017853/publication.txt
observed d39cc977a5a4a1287df56809480a44c8...
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.