OpenTechnical

OT-2026-000011618

Publication integrity record

Foam pad vacuum gripper, single 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-2026-000011618) never changes.

Identity and time

Publication numberOT-2026-000011618 · never reused
Internal UUID01a0ae6d-193f-709c-8dca-e2667b5a8cca · 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-2026-000011618
StatusPUBLIC

Content hashes

Canonical text90f7719705ca2da8a97eb29711d1705ea8be10caae73eef84999dd05ff4bb28a
Markdown367cd9d314480de2b95bf8e5706a91d1a2b94585d3ff2c27144b084f9d02caf4
PDF
Publication page609171454d0eb3194437632cace1cd8f1c00888e739a0f22fcee0ad5c378bec2
Manifest17ff0a796b5fd41c69dac17d253c79d36c8c67b0dd8329a9fd1fe2e6ba18d462

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
SignatureEety7fyk4O+ofdtgKmdqIJLj/hLWU5PzW5To7fuaQLBTu8DKZEIJmVELdNT9zRZObgGY8LE0KLa7YhYgKdNOBw==
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

2026-09-17T12:12:11.932722ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011618
observed 609171454d0eb3194437632cace1cd8f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:11.914363ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011618/manifest.json
observed 17ff0a796b5fd41c69dac17d253c79d3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:11.895368ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011618/publication.md
observed 367cd9d314480de2b95bf8e5706a91d1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:11.872173ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011618/publication.txt
observed 90f7719705ca2da8a97eb29711d1705e...
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.