OpenTechnical

OT-2026-000033515

Publication integrity record

Four cup vacuum gripper, four zone face, six outlet manifold, three 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-2026-000033515) never changes.

Identity and time

Publication numberOT-2026-000033515 · never reused
Internal UUID01a0ae75-a38e-7622-bc80-17143b22daf7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:20.325649Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033515
StatusPUBLIC

Content hashes

Canonical text3e9cd48eca6fc73124fb8bfdeafc18b4a74656c399b232e097556f2fb0a6522a
Markdown5ceb4a4a3b8e33bf017e7fa918a18fe12946d9f7d8ac0f0f04c2c67240836fd1
PDF
Publication page26971a2a8c9c430da5e02db2d6deb1e8d5a0668d1f998e10f58af8b979d319b2
Manifestd47d5ff75c5cf92d030510a0646cdd23a43cc0377eb97083d9884683d911607d

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
Signatures+Q08BXfYrM2y6HW3VmsszcS1q9jQXLHqDnT0hgaQur4OLYvtVgdsXqyqGbekAOTlJQf7argWp5HchDJllLMAQ==
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

2026-09-17T11:31:22.182743ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033515
observed 26971a2a8c9c430da5e02db2d6deb1e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:22.162803ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033515/manifest.json
observed d47d5ff75c5cf92d030510a0646cdd23...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:22.144183ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033515/publication.md
observed 5ceb4a4a3b8e33bf017e7fa918a18fe1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:22.126854ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033515/publication.txt
observed 3e9cd48eca6fc73124fb8bfdeafc18b4...
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.