OpenTechnical

OT-2026-000025207

Publication integrity record

Four bellows cup vacuum gripper, four zone face, 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-2026-000025207) never changes.

Identity and time

Publication numberOT-2026-000025207 · never reused
Internal UUID01a0ae71-5fa6-761e-9180-95bddd530edd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:40.790954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025207
StatusPUBLIC

Content hashes

Canonical text8a6fc343c66335e0801bab8a56b16d8744f1f1d9c24a637fa4a681d9ccc89f34
Markdown5c0dd63b510d888d022812fba0e60c895fb643bdac96886888fb88557378f00c
PDF
Publication page2bccc1b3d1d9ef115036b6d0c4f7f0582f513cddcc86dec6366ebc0cb076e265
Manifest40667bcc7a1a8d24d175dfb75845521f3b869de346586fd9b63a7f0e76db78ed

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
SignaturebQ4XaeHPdoM69wwpJeLacdk6tSMg2bhk8MMYq9jKA9k6Ox2ZcUYnIv0DmosdWeW0M6CSRwcLGOpbfH8XQj0FDg==
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

2026-09-17T11:47:12.061494ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025207
observed 2bccc1b3d1d9ef115036b6d0c4f7f058...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:12.043268ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025207/manifest.json
observed 40667bcc7a1a8d24d175dfb75845521f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:12.025372ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025207/publication.md
observed 5c0dd63b510d888d022812fba0e60c89...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:12.006740ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025207/publication.txt
observed 8a6fc343c66335e0801bab8a56b16d87...
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.