OpenTechnical

OT-2026-000025284

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, single stage ejector, manifold pressure sensor, pulsed 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-2026-000025284) never changes.

Identity and time

Publication numberOT-2026-000025284 · never reused
Internal UUID01a0ae71-5fa6-7d12-b38c-60ac11a37c34 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:40.790954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025284
StatusPUBLIC

Content hashes

Canonical text87f5d54f6ee5298d57ae30e9d69a320c2e0eea3f544d37716c10c318d063623b
Markdownf2a20b5bff69518f9ad2610747eeae6a2b1eb36b98f36c379c169a1e1c0ef84a
PDF
Publication pagef2150b437c5720136435a3d764e539439fd5dc389c2d789963dd5442689cdb36
Manifestef2aff957b7f7564a39ca314caff355f0791f2d2c1682ef48ea33c3303e1309c

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
SignaturevMFas3o+zq5aCWW3wHlhN0Ligr+eGk1duVM1lPKhtjWxjsSNE7X5ssJn+/GkgsryQYY1zeNR3qvMybLFXfuhBg==
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

2026-09-17T11:47:17.756215ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025284
observed f2150b437c5720136435a3d764e53943...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:17.739110ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025284/manifest.json
observed ef2aff957b7f7564a39ca314caff355f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:17.720761ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025284/publication.md
observed f2a20b5bff69518f9ad2610747eeae6a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:17.703855ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025284/publication.txt
observed 87f5d54f6ee5298d57ae30e9d69a320c...
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.