OpenTechnical

OT-2026-000010028

Publication integrity record

Three cup vacuum gripper, three outlet manifold, single stage ejector, vented 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-2026-000010028) never changes.

Identity and time

Publication numberOT-2026-000010028 · never reused
Internal UUID01a0ae6b-cb79-7d66-887f-cbba3e374c58 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:35.184400Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000010028
StatusPUBLIC

Content hashes

Canonical textecd3c25312ac7c80b371b60cd0cb38777e25fbf7e4acf5b716115b72b6bb0cc5
Markdowne7b5080e22eb6228642718d76d29265b666cea25078bf06674f20f69057943d8
PDF
Publication paged911b6c79a056ca6619a57b6164649be99ac9c19057da8e70ae715b268a8581e
Manifest921b676f1a60833bdabcc20ac1f3bc912bb5e266630d6ca27ed6fb7f92bc79db

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
SignatureTV/bJzeZwMKhBx78Hgywq2lycK9JvxCAlsAMOFzCkmLqquGwfM5RQEk3J4HtD34UreW/e+tQgZsiluVEzpLjCg==
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

2026-09-17T12:16:05.368417ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010028
observed d911b6c79a056ca6619a57b6164649be...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:05.349607ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010028/manifest.json
observed 921b676f1a60833bdabcc20ac1f3bc91...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:05.330838ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010028/publication.md
observed e7b5080e22eb6228642718d76d29265b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:05.311645ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010028/publication.txt
observed ecd3c25312ac7c80b371b60cd0cb3877...
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.