OpenTechnical

OT-2026-000051875

Publication integrity record

Three cup vacuum gripper, three zone face, six outlet manifold, three stage ejector, 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-2026-000051875) never changes.

Identity and time

Publication numberOT-2026-000051875 · never reused
Internal UUID01a0ae83-7c84-7190-9d83-646df83eb4fe · 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-2026-000051875
StatusPUBLIC

Content hashes

Canonical texte5d8c2bdcb62a9882ba1df18ae6d74982ef223d7e280313739b7c2470c7c9bff
Markdownf94432736b45fe4aa9677720c0d07ded1ad4810dc7ffb4ccd8348f7fa3dac0de
PDF
Publication page8002de894aeb1f433592890d81300fd4ca12be91379c38848c5cc22f72d0763f
Manifest74f0fc7506386f25b6cc7b305b5366cc10f33e1c6e73fccb363d5ae576e40384

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
SignatureHiBX5HBeJGNYnSa9OeOMIEPKC57DmZtDvSyUKvh/lvQOaKviaK96eDP8dYEw49Z8JdXZgdNHYSbG3t/s2pHzCQ==
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

2026-09-17T10:58:48.752168ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051875
observed 8002de894aeb1f433592890d81300fd4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:48.733591ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051875/manifest.json
observed 74f0fc7506386f25b6cc7b305b5366cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:48.713787ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051875/publication.md
observed f94432736b45fe4aa9677720c0d07ded...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:48.695706ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051875/publication.txt
observed e5d8c2bdcb62a9882ba1df18ae6d7498...
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.