OpenTechnical

OT-2026-000005012

Publication integrity record

Porous face vacuum gripper, three zone face, plant vacuum fed, pressure verified

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-2026-000005012) never changes.

Identity and time

Publication numberOT-2026-000005012 · never reused
Internal UUID01a0a92a-f764-7a75-85f6-834f3a5526bb · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:42:40.487646Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005012
StatusPUBLIC

Content hashes

Canonical text50a7790c6086d67997e9f7b87dbd8b0aa6be18d3047a6fa35c4df5c80dc16a9d
Markdown42a4e7894aa569735ab9b14f752fa71e78726869d37a726b5c32582606168b94
PDF
Publication page4297ef65ee57fc561a83c35ed435639b6ba550e773aa4005dadb245b64f62d34
Manifestc06a889b2505332a79e08f8d63265387f1e9eaada00b8dd1743633d3a565cace

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
SignatureE7HPP+YmO/CTClQH/yUCapBfvkPPxz7fbpEBlCl43Ii+CjA1dOB356TcvSS1ci49w3LWMkJOoki597k9tuIlCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T07:47:02Z
batch OT-TS-2026-W38-010 · RFC 3161 token · inclusion proof
root e1b42dfa4cd0fb1e3e472afd2db961c2...

Independent retrieval

2026-09-16T07:50:24.998416ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005012
observed 4297ef65ee57fc561a83c35ed435639b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:24.986339ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005012/manifest.json
observed c06a889b2505332a79e08f8d63265387...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:24.974766ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005012/publication.md
observed 42a4e7894aa569735ab9b14f752fa71e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:24.961167ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005012/publication.txt
observed 50a7790c6086d67997e9f7b87dbd8b0a...
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.