OpenTechnical

OT-2026-000087041

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, three 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-2026-000087041) never changes.

Identity and time

Publication numberOT-2026-000087041 · never reused
Internal UUID01a0ae9a-9f2d-7ecd-8049-f55bfd2c1f3f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:44.027043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087041
StatusPUBLIC

Content hashes

Canonical text0246d937d0c189726872682f189e4f65e4bbdeaa58f19d2cdf1713494642a2bc
Markdownb2fb223af01080b7df208f8324d5a12b920e90ebbe484572e4530bef6b073921
PDF
Publication page36606f39a8de5710e3dc94fa70932bb10ddb58f9489f0880e356cd90e9840838
Manifest91ec89d8f6061fa076dd5b233ae9aae3deac99d63f6de4ca7b7b22a3b3a0d576

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
SignatureuwrMMteOXmQ267VrJ99TEtjVySNo0Zx9CSqRQ/0ftO2lQ3MTpt6tQibde2wVYGNP2HD9k4J58C3IYi8hqalXAA==
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

2026-09-17T09:51:17.158970ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087041
observed 36606f39a8de5710e3dc94fa70932bb1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:17.143409ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087041/manifest.json
observed 91ec89d8f6061fa076dd5b233ae9aae3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:17.127802ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087041/publication.md
observed b2fb223af01080b7df208f8324d5a12b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:17.112674ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087041/publication.txt
observed 0246d937d0c189726872682f189e4f65...
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.