OpenTechnical

OT-2026-000018227

Publication integrity record

Two cup vacuum gripper, two zone face, six outlet manifold, pump 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-2026-000018227) never changes.

Identity and time

Publication numberOT-2026-000018227 · never reused
Internal UUID01a0ae6e-b488-7c04-888e-678c35a73069 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:45.971508Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018227
StatusPUBLIC

Content hashes

Canonical textf31ed5028ad368e4c72b6bac6549d0bbeea32ff6d747942e81d59f1102a2c496
Markdown1bbee9ba93d5c922b5d0353f2b8042b1aa36d40041b117714820eefd9d112e46
PDF
Publication page2e2a5d940a45486e15c3ba5991d03cb0a82dddc5f06cd3de0da3ea4213b65941
Manifest06d09d0575690cb368a859c68050176dfcaebf0c30451c96cb44eec7805b7b70

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
SignatureEFIWhrwpdngapQst72F5quskzopgZOKpkpsQeZfyh1+xPQy2kgeSeLh0w8kmASI9VoP5JkURzGGTxXyMuYgxAQ==
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

2026-09-17T12:00:01.109683ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018227
observed 2e2a5d940a45486e15c3ba5991d03cb0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:01.089894ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018227/manifest.json
observed 06d09d0575690cb368a859c68050176d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:01.070809ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018227/publication.md
observed 1bbee9ba93d5c922b5d0353f2b8042b1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:01.050653ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018227/publication.txt
observed f31ed5028ad368e4c72b6bac6549d0bb...
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.