OpenTechnical

OT-2026-000017391

Publication integrity record

Three cup vacuum gripper, three zone face, four outlet manifold, pump fed, 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-2026-000017391) never changes.

Identity and time

Publication numberOT-2026-000017391 · never reused
Internal UUID01a0ae6e-76c9-7b23-98ca-e9c0fbf07af7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:30.105855Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017391
StatusPUBLIC

Content hashes

Canonical textbee9fc03f89fb062c432b9bd03583b40e61501b54d34a97fb6c14e21869a0392
Markdownd2911aa246f80eaedbbf9252e8e54350aef38215d54ea4619371a70af941c360
PDF
Publication page930928d7100285d6a5abe2ddcf4640fc19e63e24a2c020826b6bd017f5577ae9
Manifest0a95412be6fc8c071d1dfebc6fa1215a4609828b8de2bfd97728ebf9d4c1c41e

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
SignaturekObOfcS+Rw3pj08FMAYMCNs51BmdUtzpqPrapPav9BzCd2QuVlUsTc/zbAdHcvoqdo1+9aZlErkif+WpxBY+BA==
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

2026-09-17T12:02:30.928623ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017391
observed 930928d7100285d6a5abe2ddcf4640fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:30.910187ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017391/manifest.json
observed 0a95412be6fc8c071d1dfebc6fa1215a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:30.891757ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017391/publication.md
observed d2911aa246f80eaedbbf9252e8e54350...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:30.872722ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017391/publication.txt
observed bee9fc03f89fb062c432b9bd03583b40...
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.