OpenTechnical

OT-2026-000061189

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, vented after 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-2026-000061189) never changes.

Identity and time

Publication numberOT-2026-000061189 · never reused
Internal UUID01a0ae8b-1380-75a3-8890-eb12a7516edb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:45.252443Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061189
StatusPUBLIC

Content hashes

Canonical text55bb743724a88ee352f7d434a7cb72aeb62f36d4087a62dbf9b45b3ba798397a
Markdown5075737fa1c2a1104be9fb95a09ad12275d86de74bd9711a6ff602af5eeb8e90
PDF
Publication page26ce513b4f33895e249a2134ade9e797c46f507ce5971820e14e8cd5655b737c
Manifest27a1cfd852045667653d334feea5ae7a5d47deba4c9a331247c9b1824cb1632d

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
Signature92XJLoxhPlIvObwVX+xZfhqsUVFDkATw/3eJjB7ri7WOvF8jdZ8wpUOtgs78VlyIsc3uEr/tdcUYw0hUCGDzCg==
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

2026-09-17T10:42:35.049267ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061189
observed 26ce513b4f33895e249a2134ade9e797...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:35.031320ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061189/manifest.json
observed 27a1cfd852045667653d334feea5ae7a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:35.013612ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061189/publication.md
observed 5075737fa1c2a1104be9fb95a09ad122...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:34.993735ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061189/publication.txt
observed 55bb743724a88ee352f7d434a7cb72ae...
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.