OpenTechnical

OT-2026-000026499

Publication integrity record

Four cup vacuum gripper, four zone face, six outlet manifold, plant vacuum fed, pulsed blow-off before set-down, on a tool changer

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-2026-000026499) never changes.

Identity and time

Publication numberOT-2026-000026499 · never reused
Internal UUID01a0ae71-f4a8-7b4b-ae71-be61ed0d90a7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:18.960773Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026499
StatusPUBLIC

Content hashes

Canonical text003354d378e1bc3d0863756f92b419af32f0c15433bc6e9f0e4f85060a99cbec
Markdowne95458495ada8e3371183590031f2f0d9a00f34f63c207bf1ee764d4c2e79ee4
PDF
Publication page9b2d66d36460074f59847b5f8ea323733d203afc6176e9e66a7a52f625cf70d6
Manifestc1d82bd4eeb3810bcc2e9ca65dc6d91c8f3df3b5629dcc5e9a79dd45f80128bc

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
SignatureGRT7qYitB+XTSCCxY6Cw30SjX55BkhmEA36Rm0nVn6pyqZxJ1fj5QRuqI+v9rA3AC+eyVh2QunQipxAfNYIaBQ==
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

2026-09-17T11:44:37.808715ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026499
observed 9b2d66d36460074f59847b5f8ea32373...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:37.791080ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026499/manifest.json
observed c1d82bd4eeb3810bcc2e9ca65dc6d91c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:37.770116ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026499/publication.md
observed e95458495ada8e3371183590031f2f0d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:37.751917ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026499/publication.txt
observed 003354d378e1bc3d0863756f92b419af...
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.