OpenTechnical

OT-2026-000012034

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, two 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-2026-000012034) never changes.

Identity and time

Publication numberOT-2026-000012034 · never reused
Internal UUID01a0ae6d-1943-7dbe-9229-9092c8b5333d · 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-2026-000012034
StatusPUBLIC

Content hashes

Canonical text416e1c91c07e183f3c5cd4a89d8b86f25d4bf531423bbd7c152c9db57db1a354
Markdownd7d696efa23fb7f8412aa9ed814f1de54f0b8ce3a2c263da32c476af93dc9f86
PDF
Publication page395f1f72367e7af0e53ae7ac9b9a96b27af5563cfd0cb4fc7d4c2fb0d73bf090
Manifest59d36d64a7a463409538f529c30427e79aa15d56205fe97f48c9210f1dff36c2

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
Signaturedh3fOfpFxXG6xVTCROq9M7dbh85D4g/CCTVfPU4c6uOHiQxMFrfp+RuCG0p7zm1ZRU8DbN2afKBVWbt6+oWTDQ==
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

2026-09-17T12:12:54.468144ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012034
observed 395f1f72367e7af0e53ae7ac9b9a96b2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:54.448563ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012034/manifest.json
observed 59d36d64a7a463409538f529c30427e7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:54.428347ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012034/publication.md
observed d7d696efa23fb7f8412aa9ed814f1de5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:54.408610ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012034/publication.txt
observed 416e1c91c07e183f3c5cd4a89d8b86f2...
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.