OpenTechnical

OT-2026-000087594

Publication integrity record

Four bellows cup vacuum gripper, four zone face, three stage ejector, supply line pressure sensor, sustained blow-off before 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-2026-000087594) never changes.

Identity and time

Publication numberOT-2026-000087594 · never reused
Internal UUID01a0ae9a-cd53-7872-b666-56757c175bcd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:55.852518Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087594
StatusPUBLIC

Content hashes

Canonical text06c42c92b1691c9eb9508d6484ede84aca9ed9ff2b22fc993b61c5198fc3a1e0
Markdown7c708a3db0829d5aa19b050e804603f0d88c338a0c88b571ae1131e9c2d27b09
PDF
Publication pagebbe5b20c93d0b9a788ce6f483a1dd1cac82ec0899dcc81eb52893bca84553053
Manifestdc63d317ed6fd4a7bbeca09d18572891af35a62cbf8474e2f678eef65b04f6d2

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
SignatureGSje6VEotzg/sOb7aHSqRDmTyk6/uQ5zg11E0rIShMrwjaABXtiOkcdxtoNsa7garm4cemby5qcphA5/MVy1Dw==
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

2026-09-17T09:51:01.876977ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087594
observed bbe5b20c93d0b9a788ce6f483a1dd1ca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:01.847407ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087594/manifest.json
observed dc63d317ed6fd4a7bbeca09d18572891...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:01.831071ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087594/publication.md
observed 7c708a3db0829d5aa19b050e804603f0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:01.813961ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087594/publication.txt
observed 06c42c92b1691c9eb9508d6484ede84a...
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.