OpenTechnical

OT-2026-000069023

Publication integrity record

Three cup vacuum gripper, three zone face, four outlet manifold, three stage ejector, pressure sensor per zone, 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-2026-000069023) never changes.

Identity and time

Publication numberOT-2026-000069023 · never reused
Internal UUID01a0ae90-6dcd-7be2-ae18-9427cbed5b30 · 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-2026-000069023
StatusPUBLIC

Content hashes

Canonical text807858276d880dee57b65a0ed17fa775d43213ace9eb2587e2f7af8d25764a2f
Markdown20dff4514d5c3bb3a2b2c33371d0d0f06d4cb255b0b6a2dd593f8641360a3671
PDF
Publication page4a61967e0c668de8b2c8508a864c981bf43ec94d562175bce08432a5a5ddcfeb
Manifest77d68dbe5924e0dffccc44427b4a39aa0e50b57581a319478614c4b23add21be

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
SignaturehVbT1yeMUqDmrPXRnsVMZvDPTiwXpYxygvTsfs9+uWVhzrytV7+M25FQ8o/Iue82UOWL1eEyRkA5GQ5KJUKBAQ==
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

2026-09-17T10:28:52.528976ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069023
observed 4a61967e0c668de8b2c8508a864c981b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:52.511458ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069023/manifest.json
observed 77d68dbe5924e0dffccc44427b4a39aa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:52.494065ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069023/publication.md
observed 20dff4514d5c3bb3a2b2c33371d0d0f0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:52.476029ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069023/publication.txt
observed 807858276d880dee57b65a0ed17fa775...
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.