OpenTechnical

OT-2026-000069661

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, pump fed, pressure sensor per zone, 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-2026-000069661) never changes.

Identity and time

Publication numberOT-2026-000069661 · never reused
Internal UUID01a0ae90-b52c-720e-a68a-290c4b3df224 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:54.310022Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069661
StatusPUBLIC

Content hashes

Canonical textacc30a9c7d805033ae3a6053c13565f776c2435dd3aa8a2fae36f83e0da08286
Markdown3627a76a526968e42e07224b3fc3fb1f81b17b67022064075d63a56f615b7f90
PDF
Publication page29c69bdc25661e8ad5ec73c052488c6dec82c771f674a44b29d5c79b55774d47
Manifest614dc5f31b66245d4e8d315b2558af748d6b9ce8f836dd8a8e21311ce305754b

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
Signaturelh8ByxA3+IkjC2wT3zv4qoxXo42SxbVluca3ixiWs+XTg716HQQwvtLXoIQiVBGNPvF6WYo+M49QFBAdOGREDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:28:19.868922ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069661
observed 29c69bdc25661e8ad5ec73c052488c6d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:19.853318ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069661/manifest.json
observed 614dc5f31b66245d4e8d315b2558af74...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:19.836251ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069661/publication.md
observed 3627a76a526968e42e07224b3fc3fb1f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:19.817512ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069661/publication.txt
observed acc30a9c7d805033ae3a6053c13565f7...
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.