OpenTechnical

OT-2026-000024561

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, sustained 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-2026-000024561) never changes.

Identity and time

Publication numberOT-2026-000024561 · never reused
Internal UUID01a0ae70-e8cc-78ff-94a2-911e0870c37e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:10.360874Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000024561
StatusPUBLIC

Content hashes

Canonical text4b62c2c9872f33a57eb45e24ed2d5ee91bca9ef0fc3d51bef08caaab9490e585
Markdownd310877efc4daed322a11708fda87a8bccedff34915f97ef08d49e34aa4b420f
PDF
Publication page4a86d46888bfc6092a157bb3acc69a0d1592fc4dcd514c8f6c61fee257a568d4
Manifest7ad62135a2bb31870a8dee8920dd650bd4e93fe4e13e7b80142667c45e1c46fe

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
SignatureQNKmlQK+l66OBXK6jv2sagTAni6fsbwFGvs+Raw/qvzT+t3dcj7c1JENXCKhZ/A+KrYDDgcn7LRrJa3WP8dbDQ==
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

2026-09-17T11:50:42.847954ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024561
observed 4a86d46888bfc6092a157bb3acc69a0d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:42.821484ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024561/manifest.json
observed 7ad62135a2bb31870a8dee8920dd650b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:42.801019ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024561/publication.md
observed d310877efc4daed322a11708fda87a8b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:42.779654ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024561/publication.txt
observed 4b62c2c9872f33a57eb45e24ed2d5ee9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:49:44.825514ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024561
observed 4a86d46888bfc6092a157bb3acc69a0d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:49:44.808502ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024561/manifest.json
observed 7ad62135a2bb31870a8dee8920dd650b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:49:44.791321ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024561/publication.md
observed d310877efc4daed322a11708fda87a8b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:49:44.775530ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024561/publication.txt
observed 4b62c2c9872f33a57eb45e24ed2d5ee9...
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.