OpenTechnical

OT-2026-000023969

Publication integrity record

Three cup vacuum gripper, three outlet manifold, single stage ejector, sustained blow-off before set-down

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-2026-000023969) never changes.

Identity and time

Publication numberOT-2026-000023969 · never reused
Internal UUID01a0ae70-aed6-75d8-a1a3-d607e1a58755 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:55.528856Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023969
StatusPUBLIC

Content hashes

Canonical text7db1867d457050695cd2791e76c0a8a3b94bfc4e98d35d74aa068018b6f1bbac
Markdown9b124f41c7c60fcd0fbe85c66b74733d4200f95b974ef844a7213ef5fbef1bb9
PDF
Publication page245a890f4b8dc0bd2e3b9c2233509f24961515c18fd93f78294a304e7747daa8
Manifest401e7d934d57ccf488273cc65dda2ceb8ff0ead0f7ea35dab9ab762b83561ed6

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
Signatureu1ENSYEeXvM9/8PUOEySxureQ0atk5XJP8F2X+4oBohpC1F5micEMtrv7Uba8tHr4cKk7jRl8Nwy2kcIrtUSDQ==
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

2026-09-17T11:50:43.847661ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023969
observed 245a890f4b8dc0bd2e3b9c2233509f24...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:43.825852ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023969/manifest.json
observed 401e7d934d57ccf488273cc65dda2ceb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:43.802486ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023969/publication.md
observed 9b124f41c7c60fcd0fbe85c66b74733d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:43.779795ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023969/publication.txt
observed 7db1867d457050695cd2791e76c0a8a3...
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.