OpenTechnical

OT-2026-000014438

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, pump fed, pulsed blow-off before set-down, on a tool changer

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-2026-000014438) never changes.

Identity and time

Publication numberOT-2026-000014438 · never reused
Internal UUID01a0ae6d-b27a-70f7-9423-5a3c5254f237 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:39.853300Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000014438
StatusPUBLIC

Content hashes

Canonical text7a0c703b0aeb62a56665fed36eb53d83722ac3697b10fb56112ad0beb772214c
Markdown2a9fa99fb650027e0a722502218cab1b252cf8bd0ab1fc9aa72c567eb9df5f44
PDF
Publication page93d79b8eeddf1714844fdf87a2f7e5b1f762cf50f43983a71996a63af5296f3a
Manifest1e66a5f76e3ae498fda8ab70d3f13613a15d2a018de99ae8f918d429a951ea52

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
SignatureCdnMDLryqm08lSWo2iKlAtiLT+J009RkZ55wt4HgtbgH1b9QEPsQ7c3b8wU/HYgWV85wpLz8Lkbrsao+qB6nDg==
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

2026-09-17T12:10:12.629505ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014438
observed 93d79b8eeddf1714844fdf87a2f7e5b1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:12.610982ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014438/manifest.json
observed 1e66a5f76e3ae498fda8ab70d3f13613...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:12.593732ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014438/publication.md
observed 2a9fa99fb650027e0a722502218cab1b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:12.573762ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014438/publication.txt
observed 7a0c703b0aeb62a56665fed36eb53d83...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:18.545179ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014438
observed 93d79b8eeddf1714844fdf87a2f7e5b1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:18.526174ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014438/manifest.json
observed 1e66a5f76e3ae498fda8ab70d3f13613...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:18.507757ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014438/publication.md
observed 2a9fa99fb650027e0a722502218cab1b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:18.488874ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014438/publication.txt
observed 7a0c703b0aeb62a56665fed36eb53d83...
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.