OpenTechnical

OT-2026-000088502

Publication integrity record

Foam pad vacuum gripper, two zone face, three outlet manifold, three 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-2026-000088502) never changes.

Identity and time

Publication numberOT-2026-000088502 · never reused
Internal UUID01a0ae9b-5d28-79f7-a535-e3a314737f3c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:32.662646Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088502
StatusPUBLIC

Content hashes

Canonical text7d270aede3020ada5f9cca08f5108d1b0029489df5db735f860bec042653506f
Markdownb85e1574fd46def413b17b74226d32948ca24b37617c4e0a756f1c4a4af5f950
PDF
Publication page4cf6d29e15d21ae6707d6f5d6a20f294cf570335e9816d66763882030fd702ff
Manifestee1709d6a79c6214a8a5fb1bf7a426d16a9d51e8a7fcdd6bca76785feaf4c3ee

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
Signature0OYmbMK/5H9FMsBpjKDtf8WIGIHiXH0SnBQFzWikJ/Bl+lDoTLSTX44F+r7tlmYkFZz0fV7V6v6nvK4Eu8MXAw==
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

2026-09-17T09:48:53.607718ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088502
observed 4cf6d29e15d21ae6707d6f5d6a20f294...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:53.590388ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088502/manifest.json
observed ee1709d6a79c6214a8a5fb1bf7a426d1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:53.573678ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088502/publication.md
observed b85e1574fd46def413b17b74226d3294...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:53.555927ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088502/publication.txt
observed 7d270aede3020ada5f9cca08f5108d1b...
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.