OpenTechnical

OT-2026-000033399

Publication integrity record

Foam pad vacuum gripper, four zone face, six outlet manifold, two 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-2026-000033399) never changes.

Identity and time

Publication numberOT-2026-000033399 · never reused
Internal UUID01a0ae75-8980-7047-bb2f-846383031c65 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:13.649513Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033399
StatusPUBLIC

Content hashes

Canonical text3ba7f6a7e05004cd3524ddc09e706b117dde317d3c7720d67c36a28c9a9ea68b
Markdowne1b83164c1f24f1d4d79b8367fc90bf49b26fd893cc76021e2bb05a3c2f4e99f
PDF
Publication page215e5e381c2fac56c324d609d687a2d25c90dc5f5e683166cea7b61c7f7f90be
Manifest3da22e16f1a9a703822bffb6e4f136a3420b0c81e4053319c925a4075e4a1a1f

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
SignatureJPC8MNtn1UXeXWa/xNrhksSlMYhn+0ZBc4+ogrP7C5G8831yaBRfL6vX1e7BK7A7JSHiT6NScRlby8C3PVTrBQ==
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

2026-09-17T11:32:10.704988ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033399
observed 215e5e381c2fac56c324d609d687a2d2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:10.687542ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033399/manifest.json
observed 3da22e16f1a9a703822bffb6e4f136a3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:10.669794ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033399/publication.md
observed e1b83164c1f24f1d4d79b8367fc90bf4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:10.644227ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033399/publication.txt
observed 3ba7f6a7e05004cd3524ddc09e706b11...
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.