OpenTechnical

OT-2026-000011744

Publication integrity record

Single bellows cup vacuum gripper, 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-2026-000011744) never changes.

Identity and time

Publication numberOT-2026-000011744 · never reused
Internal UUID01a0ae6d-1940-7d0e-b8bd-d38c6bcaacfb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:00.631271Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011744
StatusPUBLIC

Content hashes

Canonical text321997f7d4757d37acdad5919f2d1f640b1b396d0ec7e352146f058b3227b063
Markdownb37196a972f480e8dff0755ccab2e8f8a925a3197919c06a4f09c4a8f46f5c17
PDF
Publication pagefa217a58bc7245759df41eda74751b6be9eadeafce8c35ff3b7e24bc5280f700
Manifest23543631cda9e0181da1e58a0346428a9949fa1205910c3e8adc7eee6ac77eb4

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
SignaturefbI1GJVRxVONfNH5d/iHk7objgjA0ddk1/WBtu1Fa4xcSRt/PYqpfFeGJvLZWJ3QScuifhbcuo4v/aXgp9CBCQ==
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

2026-09-17T12:12:26.931957ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011744
observed fa217a58bc7245759df41eda74751b6b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:26.913832ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011744/manifest.json
observed 23543631cda9e0181da1e58a0346428a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:26.894855ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011744/publication.md
observed b37196a972f480e8dff0755ccab2e8f8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:26.874314ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011744/publication.txt
observed 321997f7d4757d37acdad5919f2d1f64...
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.