OpenTechnical

OT-2026-000013248

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, single stage ejector, 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-2026-000013248) never changes.

Identity and time

Publication numberOT-2026-000013248 · never reused
Internal UUID01a0ae6d-6fc9-7e15-9371-9cfd6573aad3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:22.837188Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013248
StatusPUBLIC

Content hashes

Canonical text516b0d9d8e8579e1f4f1a7d5318cccd6263133aff31f9921c36ada2f8a253e16
Markdown8ac8e05c9816b69702bd0a9e83978e8538029b15ed2d104b03fc52022de873e1
PDF
Publication page2fc8747b6f0aba10a97c4c58eea6b04787186c734644275fc279a318644a5d53
Manifest1807dc12dae0194a1dbbf39e68b36b5e71dd8782816a8e42b4664c27b5fa39da

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
SignatureMiJGtx62I3icjOh+lvKHlTrCF3fLN142uyWQhDAYFD8VAs54B2f/l8XPCJkDS4qSTy6sPW5ls0Bi9H8+bEQKDg==
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

2026-09-17T12:09:39.073549ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013248
observed 2fc8747b6f0aba10a97c4c58eea6b047...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:39.054648ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013248/manifest.json
observed 1807dc12dae0194a1dbbf39e68b36b5e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:39.035238ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013248/publication.md
observed 8ac8e05c9816b69702bd0a9e83978e85...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:39.015421ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013248/publication.txt
observed 516b0d9d8e8579e1f4f1a7d5318cccd6...
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.