OpenTechnical

OT-2026-000049379

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, plant vacuum fed, pressure sensor per zone, pulsed 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-2026-000049379) never changes.

Identity and time

Publication numberOT-2026-000049379 · never reused
Internal UUID01a0ae81-8f7b-7daa-96fe-58c6f35fd156 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:21.728203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049379
StatusPUBLIC

Content hashes

Canonical text1ac23ddb091cfcf21a82f9f0c6c81104cff355df6b34c41bebce197cc62c7995
Markdownbf38ed8d0205491fdbb6c6ba9277732a7e9c6962ca5d9d3de0d095cb4b36edd7
PDF
Publication page834bc8c6683fa39a290566cfd003d1be7f80be2ab1b319bca11d19cbb7e17044
Manifest96e4495f186bd290222bd284e007bb3e54ee7d396956c88d3f9c45b7eaa1f9bb

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
SignatureXJl9f52WxjfWQs0ASI0f9ZGOjbll5ebZnqBoMQf0eum9es84Q0p6jhyRzER6HiO4/cDH0rlTEo5O8oxmuilCDA==
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

2026-09-17T11:02:11.093164ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049379
observed 834bc8c6683fa39a290566cfd003d1be...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:11.072456ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049379/manifest.json
observed 96e4495f186bd290222bd284e007bb3e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:11.051447ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049379/publication.md
observed bf38ed8d0205491fdbb6c6ba9277732a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:11.033385ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049379/publication.txt
observed 1ac23ddb091cfcf21a82f9f0c6c81104...
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.