OpenTechnical

OT-2026-000082649

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, single stage ejector, sustained 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-2026-000082649) never changes.

Identity and time

Publication numberOT-2026-000082649 · never reused
Internal UUID01a0ae97-8cc8-7f60-98ad-f00ca971af2d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:22.827170Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000082649
StatusPUBLIC

Content hashes

Canonical text9a53cd3a0f4fade9e51de22fd3efecf30c35d28d8aad618803aa7f5586d4098b
Markdown611a6a0b5791f2c45355a869ad001adb857f90363d2a6d4e72b09d0b74a2d110
PDF
Publication pagedaa53a48e63ebb3a0b683f5383e465ba4b6102ef84d4cd3e87459f55af057394
Manifest45aa55c2f3121a969b9fb37c1c94f67994b61f0a788162110bcfaafa73b2279b

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
SignaturemR6N3NNHrivKFNQmeU3BI0jqmG2YIaL59kQ7sWLzpyhPWqjt9ZrbgdgEOFGgo9cEFfhbcWWhJRtyC0uS9OO1Cw==
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

2026-09-17T09:58:12.518462ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082649
observed daa53a48e63ebb3a0b683f5383e465ba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:12.500101ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082649/manifest.json
observed 45aa55c2f3121a969b9fb37c1c94f679...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:12.482479ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082649/publication.md
observed 611a6a0b5791f2c45355a869ad001adb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:12.466173ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082649/publication.txt
observed 9a53cd3a0f4fade9e51de22fd3efecf3...
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.