OpenTechnical

OT-2026-000073414

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, single stage ejector, manifold pressure sensor, vented 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-2026-000073414) never changes.

Identity and time

Publication numberOT-2026-000073414 · never reused
Internal UUID01a0ae92-efb8-7924-83ce-e0419dc7fa64 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:20.363042Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073414
StatusPUBLIC

Content hashes

Canonical textedc67e9ddc75fba8a43a2dd4241bc4ff3d64a56350de3813fe01ee5db2f9f272
Markdownc57868c86dea440a23145228343843579ab88cd1683e82a5cbb3fe88bec651f7
PDF
Publication page9c2a0b356991dd30990cc5fa58b66bd3030ac9f33243d2533efd8942f515b1de
Manifest64155ae3a88cfe161274c84f162bc7c77cf51e2916bdf4977d50406f79ca6468

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
Signature/i302UyF6TS4uNvfFkOVtmJBPR4j6N2mssRaTuQ15LGgD2k5JsB9r4RczyRM76mNy5e++g0cPqs9lAc8jpWhDQ==
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

2026-09-17T10:21:33.621704ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073414
observed 9c2a0b356991dd30990cc5fa58b66bd3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:27.652192ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073414/manifest.json
observed 64155ae3a88cfe161274c84f162bc7c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:27.633137ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073414/publication.md
observed c57868c86dea440a2314522834384357...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:27.613974ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073414/publication.txt
observed edc67e9ddc75fba8a43a2dd4241bc4ff...
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.