OpenTechnical

OT-2026-000025275

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, pump 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-2026-000025275) never changes.

Identity and time

Publication numberOT-2026-000025275 · never reused
Internal UUID01a0ae71-5fa6-70ef-8e3a-dcf70e54f811 · 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-2026-000025275
StatusPUBLIC

Content hashes

Canonical text8c006a14544e212cf401452e10244bdb5c99a9a8588234b4f0698ad2ba2a33d2
Markdown46b6fc0dad33d9443363a5341cddf3157bf87cb9d14363b6695bea544d35b3eb
PDF
Publication page0ea0cda76aa7617061621fb29545e6e9dbb27cc91fc46cf62830c18f37c225e3
Manifestbfee6f5fdd735c07f14b1db7902c7c95e0ce75b81e740c4ac193a9173e27bb5f

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
SignatureFs/9xhvmnLM/YVHxQdD/ds3xh3eKHUEMms8DCo8DpJ4QShFR4A2hB7gJ27+hYlvHOBsUqh2q53nSQKOg85FeCQ==
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

2026-09-17T11:47:17.149144ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025275
observed 0ea0cda76aa7617061621fb29545e6e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:17.130539ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025275/manifest.json
observed bfee6f5fdd735c07f14b1db7902c7c95...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:17.111742ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025275/publication.md
observed 46b6fc0dad33d9443363a5341cddf315...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:17.094941ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025275/publication.txt
observed 8c006a14544e212cf401452e10244bdb...
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.