OpenTechnical

OT-2026-000089192

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, single stage ejector, supply line 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-2026-000089192) never changes.

Identity and time

Publication numberOT-2026-000089192 · never reused
Internal UUID01a0ae9b-db00-79c5-aaf9-a46655428076 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:04.880043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089192
StatusPUBLIC

Content hashes

Canonical text4577bf64d5790f9bcc07b7706c37457e2b36d34cd7b84968aa1666e329911d9c
Markdown8630df29f3a484dff9ac891ae69ce1fff115079b08ae7b5cc0fd95cc17e68f81
PDF
Publication pagea0c07ed5f34eb2bd47e8778d81d2ec68596dc4057ac6886dd3832af175c6bc60
Manifest58c51e4b8fd6c7f93e669e86219bfe13c42c69a620a37765b9ca221602d123c6

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
SignatureAtdTxzdNmWNKSr89TvTorabr1/2TSS06bXIoe05+QmL25EFfjbWaVOQcEwrf15PW6lHWW00A7PVE9R9VFKpsCw==
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

2026-09-17T09:47:12.508396ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089192
observed a0c07ed5f34eb2bd47e8778d81d2ec68...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:12.491029ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089192/manifest.json
observed 58c51e4b8fd6c7f93e669e86219bfe13...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:12.473884ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089192/publication.md
observed 8630df29f3a484dff9ac891ae69ce1ff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:12.457011ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089192/publication.txt
observed 4577bf64d5790f9bcc07b7706c37457e...
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.