OpenTechnical

OT-2026-000029314

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, two stage ejector, supply line 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-2026-000029314) never changes.

Identity and time

Publication numberOT-2026-000029314 · never reused
Internal UUID01a0ae73-2aa1-7377-ae64-046f2811bdbb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:38.288761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029314
StatusPUBLIC

Content hashes

Canonical text46c31817d23a73d91b0e81b16d4ff03e3cde1ce069ad54decf53bb8088a7bfa0
Markdown0f76e5329e68592475108f39f8b50434d8743058abbf814f1397f46a4ace9b4a
PDF
Publication page5fa35184e7bd5737bf84ee968923ad01cd96dbed443061e3d03198ef13fbe416
Manifest5c3911adf4f7d9e777097ac975c9a32d887a13bd845f8e9be8070d49e34c2db1

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
SignatureJvgNQe0tRLUoeAZ4g+JQ9VsXO6RIUzqeDkzKcrS88CBPXYFk33zAyr+cwcLwCRmmW9FAWu9oWIZ+cr7XcXF9Aw==
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

2026-09-17T11:39:57.356542ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029314
observed 5fa35184e7bd5737bf84ee968923ad01...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:57.333683ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029314/manifest.json
observed 5c3911adf4f7d9e777097ac975c9a32d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:57.316636ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029314/publication.md
observed 0f76e5329e68592475108f39f8b50434...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:57.296888ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029314/publication.txt
observed 46c31817d23a73d91b0e81b16d4ff03e...
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.