OpenTechnical

OT-2026-000020014

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, two stage ejector, supply line pressure sensor, 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-2026-000020014) never changes.

Identity and time

Publication numberOT-2026-000020014 · never reused
Internal UUID01a0ae6f-1fb7-7ffd-bdb0-7716ff83bf49 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:13.354643Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000020014
StatusPUBLIC

Content hashes

Canonical text3fb16c560c52c800d5ad898407b2e9921d78658e335a80bbee220db6ee63808c
Markdown871bde0a4aec2bc8536aa350826c2fef8e45a2fe1f21542371266cdeb86cc377
PDF
Publication pagef01b78f39781061c4c4b086854add170a479546a36fd9ebe3042179c5f5e4c40
Manifest53209609a50db27b696e3f7090a15e594ffdc0bd35773608d4af5cb5f457dfee

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
SignatureD3UjcUrZP396ZPgBaB+hC37CfaVlQLV7RxVOqGxcqRpsNK+XKyyaYIldRgDTIN7iGBuarLetVocFXBWxvwqDBQ==
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

2026-09-17T11:58:15.919923ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020014
observed f01b78f39781061c4c4b086854add170...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:15.904161ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020014/manifest.json
observed 53209609a50db27b696e3f7090a15e59...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:15.885398ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020014/publication.md
observed 871bde0a4aec2bc8536aa350826c2fef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:15.866812ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020014/publication.txt
observed 3fb16c560c52c800d5ad898407b2e992...
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.