OpenTechnical

OT-2026-000078527

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, single stage ejector, pressure sensor per zone, 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-2026-000078527) never changes.

Identity and time

Publication numberOT-2026-000078527 · never reused
Internal UUID01a0ae95-7c29-73b7-8de9-c53670c06238 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:07.483031Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078527
StatusPUBLIC

Content hashes

Canonical textd6b7fef333d8c13efb0c4b0196feb06a7a7ef8d3d6b6a73adbe27228ddfef043
Markdownd2b4625c1d8680b079c4718c527f18462efea5d2651a92dd30764690cd40e23c
PDF
Publication page463535f4f87c7c64b3946b0a83092dafb3d7c9a55244750c13d70132618a20e9
Manifest0f163b1bf401258e8c750790b8127d11e566fb2fa77fd7086a244648a3c11482

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
Signaturep3mUiY3SYkdQzptOd5MSatuFJyH5aVvyB3/ZB+TrpBOqIEqxjquj7KIdVVKi7d8XkyyD/HOXHzdQVJvpg33qBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:06:32.784244ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078527
observed 463535f4f87c7c64b3946b0a83092daf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:32.766192ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078527/manifest.json
observed 0f163b1bf401258e8c750790b8127d11...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:32.747119ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078527/publication.md
observed d2b4625c1d8680b079c4718c527f1846...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:32.729948ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078527/publication.txt
observed d6b7fef333d8c13efb0c4b0196feb06a...
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.