OpenTechnical

OT-2026-000030619

Publication integrity record

Foam pad vacuum gripper, two zone face, three outlet manifold, three stage ejector, 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-2026-000030619) never changes.

Identity and time

Publication numberOT-2026-000030619 · never reused
Internal UUID01a0ae74-3fb2-7c8f-925f-f1a2a723dc9b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:49.275361Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030619
StatusPUBLIC

Content hashes

Canonical textcad9cce628c58ad23598fd0c885c619d8170b17222a5d506b5472d88c3b3e8fd
Markdownf5813e15ad20628a650a7791134b5807b01b4879b2c59cd91fee9106ab1990e1
PDF
Publication page7d5d85a588dc3cf74e8d77a281f67bf0e77d892e9d857e80eb5e4b2c17c9c9d5
Manifest7a73036c181853b14d5f719cde0ea3aaaee083f5fd013aa3f84a1ab43b043e8d

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
SignaturewOOdt2uWe6Iettj+u0LTssJvuG8jpJ10DO3qyXhd4hT9uhjo/FlmfIghFbOnHP1Rb0X9y8ibaYTJ4whXKMb3Dg==
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

2026-09-17T11:36:27.876163ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030619
observed 7d5d85a588dc3cf74e8d77a281f67bf0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:27.858605ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030619/manifest.json
observed 7a73036c181853b14d5f719cde0ea3aa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:27.839810ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030619/publication.md
observed f5813e15ad20628a650a7791134b5807...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:27.822596ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030619/publication.txt
observed cad9cce628c58ad23598fd0c885c619d...
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.