OpenTechnical

OT-2026-000084535

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, two 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-2026-000084535) never changes.

Identity and time

Publication numberOT-2026-000084535 · never reused
Internal UUID01a0ae98-e25a-7404-a13a-c61ef7b99c6a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:50.163111Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084535
StatusPUBLIC

Content hashes

Canonical text93ba5bb934602b150626f0407ea23c827fa8a093bf4a58f3e71b711d81c7e263
Markdown3df15306182736040dfcd49c21b315d85e553a752c9695b74bce5dbcbc46d940
PDF
Publication page3d28dc1f49455b0986b91c9e8ea34f71c3ca481a96a3f32a10622bf85ca59ad9
Manifesta874354b6e4ca4561d4e0d72a0abb67b7c10a36e8aee7e29587cf92aa2d5ce73

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
SignatureDosoMj1uQ+3UmBoqRUWfTwOzDqkbTr5YC3eO5n9VmLiIxHQ3r+JN8QtjhphLQ8fzuU/JfmLro7BUyzh39wbwDQ==
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

2026-09-17T12:41:09.273424ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084535
observed 3d28dc1f49455b0986b91c9e8ea34f71...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T12:41:09.050929ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084535/manifest.json
observed a874354b6e4ca4561d4e0d72a0abb67b...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T12:41:08.703036ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084535/publication.md
observed 3df15306182736040dfcd49c21b315d8...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T12:41:08.399287ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084535/publication.txt
observed 93ba5bb934602b150626f0407ea23c82...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T09:55:25.204318ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084535
observed 3d28dc1f49455b0986b91c9e8ea34f71...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:25.186558ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084535/manifest.json
observed a874354b6e4ca4561d4e0d72a0abb67b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:25.169631ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084535/publication.md
observed 3df15306182736040dfcd49c21b315d8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:25.151944ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084535/publication.txt
observed 93ba5bb934602b150626f0407ea23c82...
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.