OpenTechnical

OT-2026-000061431

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, three 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-2026-000061431) never changes.

Identity and time

Publication numberOT-2026-000061431 · never reused
Internal UUID01a0ae8b-7b42-7826-a418-790d2a3120dd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:11.808334Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061431
StatusPUBLIC

Content hashes

Canonical text4dca7261ad7ce83915c7f00878605a2942c4e284af3280a9c464431b47d04522
Markdown9d0fa58fa7125261236aa774f6d616e9fa340721ddad1c44fde4e856a77004a7
PDF
Publication pageb0df55bae408bd941055441af2884f271ece79fb437971dd2162e004da2f2dfb
Manifest3eeda5c5015161793143b4dd7f5af33b4b21740849f141da9a7e8e0d76865d34

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
SignaturenVujxoo/Stuw3c/pNWrrikSO73paK7zmrUdWeNqm4GXtHHsudd4Pxi/XxMg6RMXtWWoo17LkL+SbvbQkSF9qBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:41:18.408864ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061431
observed b0df55bae408bd941055441af2884f27...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:18.388678ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061431/manifest.json
observed 3eeda5c5015161793143b4dd7f5af33b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:18.352359ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061431/publication.md
observed 9d0fa58fa7125261236aa774f6d616e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:18.319896ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061431/publication.txt
observed 4dca7261ad7ce83915c7f00878605a29...
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.