OpenTechnical

OT-2026-000027682

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, pump fed, supply line pressure sensor, sustained 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-2026-000027682) never changes.

Identity and time

Publication numberOT-2026-000027682 · never reused
Internal UUID01a0ae72-699a-7dc7-a416-9e1056ea1f88 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:48.928538Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027682
StatusPUBLIC

Content hashes

Canonical textd30e653ad12d89946048bfa964c8ad08f9d28888095de27012b9ecccb8fd885b
Markdown7f26b4d894202887c37c3415478f447804234808808840c18965b865cba8cc74
PDF
Publication page1c8d1f023eb17c849408e3cda808b018c312ecb43474c14f278205ecb2b2897a
Manifestd01640dbfe43523a118616b0d21b4604272fc344c6ce6066522f832df6e72cf7

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
SignaturersPTJvb0Y0narkZYctBCLIv85QxVn+oZyg0rr2EjSAfhM7ID0bSMN1k8bQ5sD2bkd20bMNDjh4P3+mIvIwqyBg==
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

2026-09-17T11:43:13.292077ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027682
observed 1c8d1f023eb17c849408e3cda808b018...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:13.272019ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027682/manifest.json
observed d01640dbfe43523a118616b0d21b4604...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:13.249924ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027682/publication.md
observed 7f26b4d894202887c37c3415478f4478...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:13.232522ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027682/publication.txt
observed d30e653ad12d89946048bfa964c8ad08...
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.