OpenTechnical

OT-2026-000046158

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, sustained 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-2026-000046158) never changes.

Identity and time

Publication numberOT-2026-000046158 · never reused
Internal UUID01a0ae7e-032b-77bf-8923-d9bc47c1eea3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:31:29.080672Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000046158
StatusPUBLIC

Content hashes

Canonical textecaaacc4e8b41d1701189c28565e56377f679d898f8430fb072abf0d4c4dc16b
Markdown6987a0916c00c2e01f1241909b4d0e117d80ca126b339bd2e689b174588d8db2
PDF
Publication page3ed0dfe42d0b623b5224b59f465f7d18fbe19bd34406f20e424b4fe0793d6bde
Manifestf4d86c35b69759b1a111a4846a1baedee6816b716bed362d42eaf2d6ea68b53c

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
SignaturemF7bwDEmfNj+BOG/MtcEAS0MGhGPaVKzCEhRSPzlkSVE5Irdo36Qo/74N+CVzHo0b0D9Xzwo15NZGY4W+DBOCg==
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

2026-09-17T11:09:09.425952ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046158
observed 3ed0dfe42d0b623b5224b59f465f7d18...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:09.406140ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046158/manifest.json
observed f4d86c35b69759b1a111a4846a1baede...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:09.388267ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046158/publication.md
observed 6987a0916c00c2e01f1241909b4d0e11...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:09.369921ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046158/publication.txt
observed ecaaacc4e8b41d1701189c28565e5637...
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.