OpenTechnical

OT-2026-000095187

Publication integrity record

Four bellows cup vacuum gripper, four zone face, three stage ejector, pressure sensor per zone, 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-2026-000095187) never changes.

Identity and time

Publication numberOT-2026-000095187 · never reused
Internal UUID01a0ae9f-8f6f-7b8f-86fd-74495a39a1c8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:08:07.681434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000095187
StatusPUBLIC

Content hashes

Canonical text03ef6864986d9ffc27ef1a5d2998b471ddc9a51afbffd7a361dde26ea2daf116
Markdowna7a32f2d39ed7fa59421cf9eff865e05ad7c272367917ead84f52f67a1fc9a34
PDF
Publication page603bff4707523337a3005fea65c2219c98afb032ca99180a95c52cc124e21319
Manifestd8f39c06f8cbd76f8038b4a004bcfa21714cb3bffa41aefa41ff475d501f1934

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
SignatureL1avptnHD7Eu4I8sNo/32MO8Bx9NyZpVJsYH8djbKHBEkwYdApRThyBY0DecbkgOzyO05dzUKBs+UGQMDw69AQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:36:29.903986ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095187
observed 603bff4707523337a3005fea65c2219c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:29.885334ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095187/manifest.json
observed d8f39c06f8cbd76f8038b4a004bcfa21...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:29.866688ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095187/publication.md
observed a7a32f2d39ed7fa59421cf9eff865e05...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:29.847478ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095187/publication.txt
observed 03ef6864986d9ffc27ef1a5d2998b471...
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.