OpenTechnical

OT-2026-000085540

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, pump fed, 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-2026-000085540) never changes.

Identity and time

Publication numberOT-2026-000085540 · never reused
Internal UUID01a0ae99-aaac-761d-9220-3c79b02af4af · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:41.564662Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085540
StatusPUBLIC

Content hashes

Canonical text368f87672d3e303be46425134fb9a880f199488cc47bc213bff4c3a894b3cfd7
Markdown49eebdb1d28cfa52614c37e5a3bdc15dabf43125cc8f5770f2025c69d9432268
PDF
Publication page0e61fd27a197abafc5dba5e551f3e7f57f2380e64cf9a460a4edf8e5d2793234
Manifest5842b26d14f3e790ae15f59a820f82c18acbce1f03545ece732d00b9c008c345

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
SignatureYb/6CmijXxONlf8kNbkkkl2OF76nLsQDwQe3MntzTtsgjM1WKEPEwE9543wajaKx3FfuaUAWyXxOGoeOZ+rkBA==
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

2026-09-17T09:54:21.483460ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085540
observed 0e61fd27a197abafc5dba5e551f3e7f5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:21.465658ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085540/manifest.json
observed 5842b26d14f3e790ae15f59a820f82c1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:21.449400ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085540/publication.md
observed 49eebdb1d28cfa52614c37e5a3bdc15d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:21.433941ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085540/publication.txt
observed 368f87672d3e303be46425134fb9a880...
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.