OpenTechnical

OT-2026-000069088

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, plant vacuum fed, manifold pressure sensor, sustained blow-off after 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-2026-000069088) never changes.

Identity and time

Publication numberOT-2026-000069088 · never reused
Internal UUID01a0ae90-6dce-7c67-bbf2-c1ba33e45d15 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:36.025578Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069088
StatusPUBLIC

Content hashes

Canonical text6889947856250f16dad71e8f6d7ffc377a4d70178f23a5bef3337f0719d8bab5
Markdowna47476035ac5c3a867c7c3f268510bfdc00a55c506a5a63c259e5cc5140344a2
PDF
Publication pagebda61840cfb86d9c4e030642cf0d192ec50affd823655ea7688dca21e7f8ca41
Manifest44a0a04267e055638a40a10031b3e0c2530644a15dfa1e0d3eec4c952ca29c65

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
SignatureiOG8io9uyHmwyJM8YcwBGoDqqua4EDUQ0+oFmSOAlIdZ8i6jWsfGcZIaDlOgs37zJn4v0Vjw8iQQeUdIDWr3AA==
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

2026-09-17T10:28:57.489820ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069088
observed bda61840cfb86d9c4e030642cf0d192e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:57.469647ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069088/manifest.json
observed 44a0a04267e055638a40a10031b3e0c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:57.449778ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069088/publication.md
observed a47476035ac5c3a867c7c3f268510bfd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:57.430860ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069088/publication.txt
observed 6889947856250f16dad71e8f6d7ffc37...
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.