OpenTechnical

OT-2026-000038687

Publication integrity record

Three cup vacuum gripper, three zone face, three outlet manifold, pump fed, supply line pressure sensor, pulsed blow-off 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-2026-000038687) never changes.

Identity and time

Publication numberOT-2026-000038687 · never reused
Internal UUID01a0ae78-769e-7937-abe8-da37994b43e2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:25.422407Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038687
StatusPUBLIC

Content hashes

Canonical text11fe76845976d52ecdb1a1bf0c6eb78221f43a54e4632027cb887c6e11f24f33
Markdown3c4b474cdbb40140049ca86880458798a3c43029fd817b67be2092568ec79abe
PDF
Publication page4aa643a19b23ee83d5183b89428a3e6b8c46367006cf154d624efc790d396e97
Manifesta45a57528f0937b69ccbcb542053a3db22bc764a24ebe420f9f7aec5d86713ab

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
Signature1FKieMmbK+AmXKhruTfsniVSx9t6+nKHj3abhGBYRg9tW0NfyZKKJ7ojpOGhIEN/sktx60LsL80jFL4h2CRBAw==
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

2026-09-17T11:21:12.016707ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038687
observed 4aa643a19b23ee83d5183b89428a3e6b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:11.996654ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038687/manifest.json
observed a45a57528f0937b69ccbcb542053a3db...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:11.976607ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038687/publication.md
observed 3c4b474cdbb40140049ca86880458798...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:11.957762ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038687/publication.txt
observed 11fe76845976d52ecdb1a1bf0c6eb782...
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.