OpenTechnical

OT-2026-000033356

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, pump fed, manifold pressure sensor, 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-2026-000033356) never changes.

Identity and time

Publication numberOT-2026-000033356 · never reused
Internal UUID01a0ae75-8980-7981-b8c9-c085ad89ecaa · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:13.649513Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033356
StatusPUBLIC

Content hashes

Canonical text397ec0085aac674391fbe3f3c8463a06d25f0208b6fa916295e77a5d56f07445
Markdowne1acb14c97362cca3fe065347a8760baea592ae8b2d62724c7bc9d9e89ac13ec
PDF
Publication page63ee90228112798cb76476f45a8cdc87902105b91587a36e99a7a6887a34edea
Manifest655ec89b92237345a76978d71be19449459891a0d1bf4b3c4eb7ad9ffc35746a

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
Signaturev2V7PbjvfeNiRimbgztWhHp24r3TNvv4kqUeFtLg4JNUeY62D8Wq2QzeuTZsdA8+ThDYdhnlrIRzeavdpePnAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:32:07.233915ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033356
observed 63ee90228112798cb76476f45a8cdc87...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:07.202815ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033356/manifest.json
observed 655ec89b92237345a76978d71be19449...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:07.183106ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033356/publication.md
observed e1acb14c97362cca3fe065347a8760ba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:07.164876ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033356/publication.txt
observed 397ec0085aac674391fbe3f3c8463a06...
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.