OpenTechnical

OT-2026-000025507

Publication integrity record

Two cup vacuum gripper, two zone face, six outlet manifold, two stage ejector, 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-2026-000025507) never changes.

Identity and time

Publication numberOT-2026-000025507 · never reused
Internal UUID01a0ae71-5fa8-755b-a69d-c5419c8888aa · 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-2026-000025507
StatusPUBLIC

Content hashes

Canonical text73649cf90dfb68dd60458015495f44b7ff0a346d0f5fd47efac449ee7abb4c86
Markdown091c513427f52e42e7a380076a3dcab38b8ab3c96129fd1815ae53d22eccd6a8
PDF
Publication page933b60974165297e8f8f2298f91d79ae6dd07828ae6eb2f71dd173d6db6c721d
Manifest7093075ba8a670acb124cb4180af7106958048f3b0441ad0b21dbac366753a89

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
Signature1OPXjBQEv+abY6fSeoqjykbzhPhbRM9QUvx6p20Hj3+b9346Gm9R9a2fyoo1ng8lNlorkgpZ2Oq6haFXnL1wBw==
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

2026-09-17T11:47:36.389481ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025507
observed 933b60974165297e8f8f2298f91d79ae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:36.372934ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025507/manifest.json
observed 7093075ba8a670acb124cb4180af7106...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:36.354372ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025507/publication.md
observed 091c513427f52e42e7a380076a3dcab3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:36.336419ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025507/publication.txt
observed 73649cf90dfb68dd60458015495f44b7...
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.