OpenTechnical

OT-2026-000051515

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, single 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-2026-000051515) never changes.

Identity and time

Publication numberOT-2026-000051515 · never reused
Internal UUID01a0ae83-7c80-7eef-a3ef-b8df2cc49c50 · 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-2026-000051515
StatusPUBLIC

Content hashes

Canonical text86ed171ba90cc4d48ae4d3fd5d0cdb5c4fd1e13fda151851f5cbb725ba9ce9bc
Markdowna1d005c4ca17a977f14c1e3ec94300651967870530e3cb9891eaac8984c0c5e7
PDF
Publication page205823f2c46a7bb410b94afd29df1b9dfa3d6b04d1f3a169d6210cdfd3b6a89d
Manifeste7f162cc6a37e2264d70521354808bcfc721b6e868126f466c2e090a7ee9f1d9

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
SignatureQOizxbVVDQ2sY9ktjnshTfJoiPnmIv+xO1a4P485zYHM2wBKx+YD5vIfr1jQ+O3U6GI2Cos16xGNeFEiR09TDg==
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

2026-09-17T10:58:20.179043ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051515
observed 205823f2c46a7bb410b94afd29df1b9d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:20.161558ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051515/manifest.json
observed e7f162cc6a37e2264d70521354808bcf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:20.142386ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051515/publication.md
observed a1d005c4ca17a977f14c1e3ec9430065...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:20.121546ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051515/publication.txt
observed 86ed171ba90cc4d48ae4d3fd5d0cdb5c...
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.