OpenTechnical

OT-2026-000081849

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, 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-2026-000081849) never changes.

Identity and time

Publication numberOT-2026-000081849 · never reused
Internal UUID01a0ae97-0f75-7c69-9fdb-ae1705e019dd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:50.648824Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081849
StatusPUBLIC

Content hashes

Canonical textd804373a331baaffcbb44a635d8f9c910d480998480d71f2548d9240a581dd44
Markdownfcbb9e495b7982bdac1fdd0bc538e75f13d14c6349a407b236f76f785300de45
PDF
Publication page4af776b133ef2581b7d56c77fadb78f1726aefe4f81de707fde0a051c3b87270
Manifest51f43f898c033e369e1880e35f6dc7a2773dc2bb88b717aee9d83563c60821f9

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
SignatureiXR6wLcbHYJVxURreEzciv5Gw9sZOoiDGFFYUymNAjWK6yt4qXbRIo5uT7wvsL9QVHfqI//pU5SXI7xQbAcWDg==
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

2026-09-17T10:00:57.758081ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081849
observed 4af776b133ef2581b7d56c77fadb78f1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:57.739967ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081849/manifest.json
observed 51f43f898c033e369e1880e35f6dc7a2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:57.720021ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081849/publication.md
observed fcbb9e495b7982bdac1fdd0bc538e75f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:57.700195ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081849/publication.txt
observed d804373a331baaffcbb44a635d8f9c91...
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.