OpenTechnical

OT-2026-000091273

Publication integrity record

Two cup vacuum gripper, two zone face, two outlet manifold, pump fed, pressure sensor per zone, sustained 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-2026-000091273) never changes.

Identity and time

Publication numberOT-2026-000091273 · never reused
Internal UUID01a0ae9c-f16c-785a-9a2d-820c36e5e1a0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:16.158740Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091273
StatusPUBLIC

Content hashes

Canonical text29ac1a173b1d33a21d95358f231b83925f0dc875d7ec4a462bba98f956f7e477
Markdown973bf3fa91f8b3c0484239c7e7184d36af307e405fb9466cdc27be2ee89fba82
PDF
Publication pagefa48e9528c94c034042f0ee9c39e2ac6d88c365c13ed3c60b19ceb01c3b59a01
Manifest65dea08b9f93ca601121b201365122f58306dcbfa2955fc59ba86d3184b1f627

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
SignatureqIZOHl9afFc2ACbBzas4zEmEe/FaT8RsFo0nsyV4lVF8YQlPpBkIdg8StH2ZwitUozNhniOBtR2fwg+w5Pm4CA==
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

2026-09-17T09:43:27.199196ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091273
observed fa48e9528c94c034042f0ee9c39e2ac6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:27.183479ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091273/manifest.json
observed 65dea08b9f93ca601121b201365122f5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:27.168254ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091273/publication.md
observed 973bf3fa91f8b3c0484239c7e7184d36...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:27.151002ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091273/publication.txt
observed 29ac1a173b1d33a21d95358f231b8392...
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.