OpenTechnical

OT-2026-000051161

Publication integrity record

Single cup vacuum gripper, two stage ejector, vented 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-2026-000051161) never changes.

Identity and time

Publication numberOT-2026-000051161 · never reused
Internal UUID01a0ae83-273f-768a-9994-21d0c5da98d9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:37:05.998905Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000051161
StatusPUBLIC

Content hashes

Canonical text64745c27b6431c58b747d2e7423098a51d0e56454cb24892747c04b132d933d2
Markdownbd4a04a48b1cca2a4d06584f756da0d4907221d90dd033ae358b81d592eb0aad
PDF
Publication page672b6b59b61e3dd4e991be0e0791ce3ab01cf00e06111f289be8810ddab30f29
Manifesta4cbca0597bd2978a7f1dac7b222fb8661a87d9b4c274c92a50a0a21f10ac708

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
Signaturer8DVxG6dAJLl+UMCUqKtYbNqonbjFoHH9FN55KOpLFBEo2Ghl7JN9c/49CrJ8OC8acT4uwUsLZykTh7n2xcFCg==
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

2026-09-17T10:58:55.593243ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051161
observed 672b6b59b61e3dd4e991be0e0791ce3a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:55.571020ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051161/manifest.json
observed a4cbca0597bd2978a7f1dac7b222fb86...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:55.548902ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051161/publication.md
observed bd4a04a48b1cca2a4d06584f756da0d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:55.531480ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051161/publication.txt
observed 64745c27b6431c58b747d2e7423098a5...
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.