OpenTechnical

OT-2026-000022120

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, two stage ejector, manifold pressure sensor, 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-2026-000022120) never changes.

Identity and time

Publication numberOT-2026-000022120 · never reused
Internal UUID01a0ae6f-f4fb-715f-98fd-705427a683bd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:07.953226Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022120
StatusPUBLIC

Content hashes

Canonical text0ead406aae4704f463eb803b9ac31f30c38d6251c1988d17ce3dc68d9c8140b9
Markdowna1373de3e9b84700ca046614f3ccb6476a740efb462abb259e2da5a50199939d
PDF
Publication page036c732cf3d9d464495b785b26e372f8c5726c845df9850b2c86fe63d410f98e
Manifest097e6fa8d76d12a7f7a5ed3a494e3680313396f37295facb866326a9bd74b367

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
SignatureG4nJqCBG9Ak33Ylh3hAFqqok1bQZOOk1bcTGIMzQCrgvcH2Drw7ApdiidwIXwrOjH0rmYe9jG9fXlNTBQeRkDw==
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

2026-09-17T11:52:47.547710ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022120
observed 036c732cf3d9d464495b785b26e372f8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:47.530235ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022120/manifest.json
observed 097e6fa8d76d12a7f7a5ed3a494e3680...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:47.511507ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022120/publication.md
observed a1373de3e9b84700ca046614f3ccb647...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:47.494079ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022120/publication.txt
observed 0ead406aae4704f463eb803b9ac31f30...
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.