OpenTechnical

OT-2026-000067965

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, single stage ejector, 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-2026-000067965) never changes.

Identity and time

Publication numberOT-2026-000067965 · never reused
Internal UUID01a0ae8f-c4fd-7d9e-83f6-155356c8d0fc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:52.812402Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067965
StatusPUBLIC

Content hashes

Canonical textb171f49b462a0d045b085a8b0eb5108591dc0f95382a706845e04a8bd0689b2a
Markdowne53822a28d07666637c1ace5a0c8bc4662f1670299b5512e93c54d7e26da6f3a
PDF
Publication page39817b5c0b93482a17f755dedadd400b7c4e64d240b313a0ad93751d4bf05571
Manifest4d324a0565efd67fa0c0b1a426cc010424bb23f21afdfdb4f6d0fd32bb9a8ec8

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
SignatureR4Ji7zfcicOEmWxpSE3cgVNdnwlsJGc6ms+ZdpUawEBTBP+Kf5c2rfLuHkhdJcFAogdUsmIcEpadMMMfmlrfCA==
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

2026-09-17T10:30:30.412827ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067965
observed 39817b5c0b93482a17f755dedadd400b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:30.392208ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067965/manifest.json
observed 4d324a0565efd67fa0c0b1a426cc0104...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:30.372236ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067965/publication.md
observed e53822a28d07666637c1ace5a0c8bc46...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:30.316879ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067965/publication.txt
observed b171f49b462a0d045b085a8b0eb51085...
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.