OpenTechnical

OT-2026-000014812

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, 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-2026-000014812) never changes.

Identity and time

Publication numberOT-2026-000014812 · never reused
Internal UUID01a0ae6d-d094-7a5d-808e-cdc845212c34 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:47.560717Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000014812
StatusPUBLIC

Content hashes

Canonical text2272d0df37d8544a90aaa5f8c08507bb3182b65e4fd5590ffe7632852c53a083
Markdownf694c91c0adb50537a3d9db3053bea18117dd95d74424dd4ac3530cd7fa7d3d0
PDF
Publication pagefcde8d3651640f99d4892bac05c3f27d08466dd343f512145f0b40a9964c9e63
Manifest019bd72a63183310d7f1eb8962b62cda7c9a20b503457f9c1834f366d3e42060

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
SignatureP0Z+JKMMVFo7cW36OA95C4NZQ8UGpJEl9T5aHEpa7URJU6ms1vs/jWkDxBCOSnOop1EZUBH0yDawnw8yRBEACQ==
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

2026-09-17T12:06:42.750472ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014812
observed fcde8d3651640f99d4892bac05c3f27d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:42.732183ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014812/manifest.json
observed 019bd72a63183310d7f1eb8962b62cda...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:42.712468ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014812/publication.md
observed f694c91c0adb50537a3d9db3053bea18...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:42.690183ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014812/publication.txt
observed 2272d0df37d8544a90aaa5f8c08507bb...
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.