OpenTechnical

OT-2026-000043755

Publication integrity record

Foam pad vacuum gripper, two zone face, six outlet manifold, single stage ejector, manifold 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-2026-000043755) never changes.

Identity and time

Publication numberOT-2026-000043755 · never reused
Internal UUID01a0ae7b-d676-74e5-a3f4-559dd4a3bace · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:06.584190Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043755
StatusPUBLIC

Content hashes

Canonical text10936e99c4299c6bc1f84637a413fa0b8a9fd22b58bc1b021b1b54de4738bc9f
Markdown4762efb135aab22400c78592f1a500024f0587fc8eea28b06a6010202dab00f8
PDF
Publication page1224b78c25849c03e44b505c63014e47ff9917f381eac1eba8be0ccd8f847bab
Manifest2c06ca1c89cc2b4d0c3ba4a6ad7954b68230754a535ee13255ac581461fc484a

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
SignatureitcVH4wyF+iDF6nBIeMt68a6cMCKuooOeShFJ75DjfUFabXtN6D5NdpvUQUzaZwEchwZnGFL0bE2Xu1y4fSQCA==
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

2026-09-17T11:12:02.287674ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043755
observed 1224b78c25849c03e44b505c63014e47...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:02.267834ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043755/manifest.json
observed 2c06ca1c89cc2b4d0c3ba4a6ad7954b6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:02.246773ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043755/publication.md
observed 4762efb135aab22400c78592f1a50002...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:02.223740ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043755/publication.txt
observed 10936e99c4299c6bc1f84637a413fa0b...
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.