OpenTechnical

OT-2026-000051428

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, single stage ejector, manifold pressure sensor, pulsed blow-off after 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-2026-000051428) never changes.

Identity and time

Publication numberOT-2026-000051428 · never reused
Internal UUID01a0ae83-7c7f-7574-8fa5-91b406712a7d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:37:27.829082Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000051428
StatusPUBLIC

Content hashes

Canonical text3bed11129150a891bc822bba985960a1e67ca83e2d17a4d22a0405c4dd1c04c0
Markdown0cee33a2f0ec4d091fd88f0242d2ea49b7844f98fb568e1d3bb54dcf0dbbda69
PDF
Publication pagec9ac302dece67b5fe9c974e5bd890aa4b1383f980ca54518c8ba55bce985c0a7
Manifest0bb0ef01445708d1cc7419acee44e11f6281560f16c1ee3a67af360eef8bee44

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
SignatureBfduHM1Cnr9GSwxEG6tfaFv0HkJ51UHqBl7rDZcHwcjY2yWCqwDtEhN6bzj/8R0rz6ED+O8RhrDnyDwbSexZAA==
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

2026-09-17T10:58:08.854582ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051428
observed c9ac302dece67b5fe9c974e5bd890aa4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:08.834878ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051428/manifest.json
observed 0bb0ef01445708d1cc7419acee44e11f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:08.815935ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051428/publication.md
observed 0cee33a2f0ec4d091fd88f0242d2ea49...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:08.794687ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051428/publication.txt
observed 3bed11129150a891bc822bba985960a1...
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.