OpenTechnical

OT-2026-000088726

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, plant vacuum fed, supply line pressure sensor, sustained blow-off before set-down, on a tool changer

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-2026-000088726) never changes.

Identity and time

Publication numberOT-2026-000088726 · never reused
Internal UUID01a0ae9b-8f10-7a6d-82d2-11dbdcddd860 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:45.441378Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088726
StatusPUBLIC

Content hashes

Canonical textcbc7cc0a6f3999557331dee57865cd88b3d2bb276efd94ff86e2764799b328dd
Markdown675e6b7ea4f1eddb4a1091f9322151fdc99e01461a333324a3e9020de7705f3c
PDF
Publication page615af24858eeca4fef63e1af721c229a21f5fbe1d064f78a58954139fcf1b655
Manifest4b0aace868a7cae06037be6ec6d5f118c0cdc921eb46224bb1e0e9a2f4adc8eb

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
SignaturevWpqkPaYwN7d/OBhp0WK0jFcGPucfHTW2t50tj61hubcV1JWwAmF3rnJlzobXYJfGi/OpfxbSNpS5IHVpUVkDQ==
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

2026-09-17T09:47:58.134746ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088726
observed 615af24858eeca4fef63e1af721c229a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:58.114602ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088726/manifest.json
observed 4b0aace868a7cae06037be6ec6d5f118...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:58.095698ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088726/publication.md
observed 675e6b7ea4f1eddb4a1091f9322151fd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:58.076282ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088726/publication.txt
observed cbc7cc0a6f3999557331dee57865cd88...
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.