OpenTechnical

OT-2026-000028614

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, plant vacuum fed, manifold pressure sensor, 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-2026-000028614) never changes.

Identity and time

Publication numberOT-2026-000028614 · never reused
Internal UUID01a0ae72-e2f9-7e9d-9c3c-cb5df26239ba · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:19.949572Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000028614
StatusPUBLIC

Content hashes

Canonical texte41a59e88079ded311d5f1572f5ca8f0568b6e021e8194c5f3d256e1faefa8f2
Markdownd77787ba4d000515bab54772e7ff3536e4aaa45ef1bf3dda4e7fd7ec2fb37659
PDF
Publication paged8aab9bd572199667e54089c199174fb8f1c62e0acce36bf82866853269626ec
Manifestebbcc108ae7b76e97cd8e68ca65207095c6f88e8031e3d9e0c8089cd3a16df12

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
SignatureiaGGbPpmNLq9sMIZNr0ZovQgRiFJLvKhpzoUUA3Jpu/ALrl6LLzNgGx5O+4Y4HnOvzE7qLPjvCjJxoTql/jhCQ==
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

2026-09-17T11:41:28.614124ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028614
observed d8aab9bd572199667e54089c199174fb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:41:28.595854ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028614/manifest.json
observed ebbcc108ae7b76e97cd8e68ca6520709...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:41:28.577672ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028614/publication.md
observed d77787ba4d000515bab54772e7ff3536...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:41:28.559565ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028614/publication.txt
observed e41a59e88079ded311d5f1572f5ca8f0...
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.