OpenTechnical

OT-2026-000067973

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, plant vacuum fed, supply line pressure sensor, vented after 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-2026-000067973) never changes.

Identity and time

Publication numberOT-2026-000067973 · never reused
Internal UUID01a0ae8f-c4fd-7b9e-8c8f-d6054d3942ed · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:52.812402Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067973
StatusPUBLIC

Content hashes

Canonical text657e6719d248c4e86d8b5a22762d71655f966954f48dd591adafa9131cfb8712
Markdownfe6bddd60715e8450a343ad708b4f96470115963f30cf1a363492aa6c79b7ae0
PDF
Publication pagede243b6240e256aa4ca8df7bc21401fc992bb7f2cf01f470da236354526e9057
Manifest14fdfd98fc0229793f212c739b53d9d1ff0af150780ab04548ef6bcf27889a02

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
Signature2XvMa3kjOtPxWwML/ipyV9DrZCVP7xB32uI4ciMToOmllz4fUU+QSu57f00ZhkUvIVseNTTDRK6KxXX9JVJXCQ==
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

2026-09-17T10:30:31.093822ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067973
observed de243b6240e256aa4ca8df7bc21401fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:31.077022ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067973/manifest.json
observed 14fdfd98fc0229793f212c739b53d9d1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:31.059701ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067973/publication.md
observed fe6bddd60715e8450a343ad708b4f964...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:31.040165ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067973/publication.txt
observed 657e6719d248c4e86d8b5a22762d7165...
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.