OpenTechnical

OT-2026-000039659

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, two stage ejector, supply line pressure sensor, 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-2026-000039659) never changes.

Identity and time

Publication numberOT-2026-000039659 · never reused
Internal UUID01a0ae78-d8d4-79fb-b3a4-f6ce65b0ee38 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:50.683051Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039659
StatusPUBLIC

Content hashes

Canonical text4c1f4ac5c0fe3e91600600d5c3cf6da6bfe2787814adb1bd33c908ae6b31ec66
Markdown29d8f5a34ccffa758f6230911c0a55f4fee11bd2a2f25c84deb5cbf3146a5cd8
PDF
Publication pagef4f2503e2b09672d03ce051b69659565a68d5f32d46b948bf7b19931367c664d
Manifest34c962ad470f9db6252d0be39d25314f3e4176e7fd97475cb25c6878b34b3c33

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
SignaturedkG/GqA6XUoy038CokI6GtO3fj5O101VVEAdT3MjdkofowJlAC6y1AgtVagjmBC4NdkYGas7VGlKJr7belU9Cw==
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

2026-09-17T11:19:50.342909ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039659
observed f4f2503e2b09672d03ce051b69659565...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:50.324581ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039659/manifest.json
observed 34c962ad470f9db6252d0be39d25314f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:50.307414ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039659/publication.md
observed 29d8f5a34ccffa758f6230911c0a55f4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:50.288424ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039659/publication.txt
observed 4c1f4ac5c0fe3e91600600d5c3cf6da6...
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.