OpenTechnical

OT-2026-000051927

Publication integrity record

Foam pad vacuum gripper, three zone face, six outlet manifold, plant vacuum fed, pressure sensor per zone, pulsed blow-off 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-2026-000051927) never changes.

Identity and time

Publication numberOT-2026-000051927 · never reused
Internal UUID01a0ae83-e78d-790f-8856-ada1ed4e9c42 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:37:55.233643Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000051927
StatusPUBLIC

Content hashes

Canonical text05cc90e814c1cf901bfd1b70b24b0d6ee4270d029ca123a0ca065f8119bb2ede
Markdown0ca40c5ee2b1ecb83bc50ef38e6d94a976dd0b5dfb6e18cce9ae9e9bdde087ed
PDF
Publication pagefd018fb014e82076ed421927d80861b5715c3d1719eac71681c174b43a131653
Manifestd5ac05f321c8fbcd4c4636860dff290cb7727e8af03edfd2fa86e6b7fffa3fe6

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
SignatureJeuxg/Y+8diefk9ag/DOk46l/AnG40dAbJMKWLyJEPmRxequu3fogDSOjFgogVVtrgfShHuxHwviF51MHalYBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:57:24.881899ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051927
observed fd018fb014e82076ed421927d80861b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:24.863983ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051927/manifest.json
observed d5ac05f321c8fbcd4c4636860dff290c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:24.846043ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051927/publication.md
observed 0ca40c5ee2b1ecb83bc50ef38e6d94a9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:24.828290ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051927/publication.txt
observed 05cc90e814c1cf901bfd1b70b24b0d6e...
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.