OpenTechnical

OT-2026-000069097

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, pump fed, pressure sensor per zone, pulsed blow-off 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-2026-000069097) never changes.

Identity and time

Publication numberOT-2026-000069097 · never reused
Internal UUID01a0ae90-6dce-75f1-bec8-969861fb775e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:36.025578Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069097
StatusPUBLIC

Content hashes

Canonical textf95b7eccd6b1776f0585e80b1a912b5f7ae9550704c6cc8835dc521a7c899bd4
Markdown1820d1762276780b34495eeadaeec6057986fa95faebf9f51f69f72400743a13
PDF
Publication pagea1ddee82ede0770b4c754cf5ad5b05c5277fda67a8d05bd2e40b8d1345ddda1c
Manifest81dcc18f71945d2f501eb1af8644a79290c352462baf3f7dc6c99597eebbc400

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
SignatureKGW9AnIiV8pL3HkZLkzoB3iIiVYn8wNt6COpr4BBii2UJuinMiTKFLZqksvuUDVyumL4ivOcxYoQM9uwRWh7Bw==
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

2026-09-17T10:28:58.207613ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069097
observed a1ddee82ede0770b4c754cf5ad5b05c5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:58.190654ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069097/manifest.json
observed 81dcc18f71945d2f501eb1af8644a792...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:58.173429ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069097/publication.md
observed 1820d1762276780b34495eeadaeec605...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:58.155720ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069097/publication.txt
observed f95b7eccd6b1776f0585e80b1a912b5f...
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.