OpenTechnical

OT-2026-000011781

Publication integrity record

Foam pad vacuum gripper, common isolation valve, three stage ejector, 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-2026-000011781) never changes.

Identity and time

Publication numberOT-2026-000011781 · never reused
Internal UUID01a0ae6d-1941-709f-8d1f-8e8577412c83 · 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-2026-000011781
StatusPUBLIC

Content hashes

Canonical text8b48619227ddc4a7e44de3fb73b80c95b61c22d3f617c77f07f4ecd40ea4ce6b
Markdown4c2273255aae5f285f856347d82dec6a6cfd27c63347838cbe1e218a4f77f20a
PDF
Publication page8f07b89b20f23245c3ba20d93a4da62a767c22dcddefc6c4db0f4d44dd55ba75
Manifest3fc3b948bdc71cb82ef54a6c5fb11acb7b2092d53a4b02cf386489b8d343885b

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
Signature+mKF7XRxpSRK3p0/5GoYblQ3j9wa0USuYjus7FPfc9IWR1WNunO9Y4uUVhIaApql/QdMr1HLJ244DQ7foDkKCA==
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

2026-09-17T12:12:29.992718ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011781
observed 8f07b89b20f23245c3ba20d93a4da62a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:29.973230ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011781/manifest.json
observed 3fc3b948bdc71cb82ef54a6c5fb11acb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:29.954397ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011781/publication.md
observed 4c2273255aae5f285f856347d82dec6a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:29.935826ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011781/publication.txt
observed 8b48619227ddc4a7e44de3fb73b80c95...
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.