OpenTechnical

OT-2026-000073430

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, two stage ejector, manifold pressure sensor, vented 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-2026-000073430) never changes.

Identity and time

Publication numberOT-2026-000073430 · never reused
Internal UUID01a0ae92-efb8-72b9-b819-6edd74531c6f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:20.363042Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073430
StatusPUBLIC

Content hashes

Canonical textb7cc628b4400ce86a0f0da91139f36dda1217c622d9791958ce381aa42db72a4
Markdown7ac27df09e04443db7d02ddaf467c98988953a01542c85f9a2f6a6c4ed4377de
PDF
Publication page7ccd8ef93847795299508fb581d43a86e0a309152cd996b978f3aec372201d0d
Manifest3e02a2fd9fb5d3e7c3f74fa19d200ba1bbaf8b3315c0e86fb443005f9e473299

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
SignatureFDkK9ZmyFuiquAf6Zual7Pvk42mO893ZlQWTv6hZotnaSj3et4YNjutaE5sICBknK+y12AFFgBnyZl39tR/PBQ==
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

2026-09-17T10:21:34.965918ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073430
observed 7ccd8ef93847795299508fb581d43a86...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:34.948364ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073430/manifest.json
observed 3e02a2fd9fb5d3e7c3f74fa19d200ba1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:34.930535ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073430/publication.md
observed 7ac27df09e04443db7d02ddaf467c989...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:34.912267ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073430/publication.txt
observed b7cc628b4400ce86a0f0da91139f36dd...
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.