OpenTechnical

OT-2026-000048585

Publication integrity record

Four cup vacuum gripper, four outlet manifold, plant vacuum fed, supply line 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-2026-000048585) never changes.

Identity and time

Publication numberOT-2026-000048585 · never reused
Internal UUID01a0ae80-4de7-77bf-8cce-e7eefe11b408 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:59.290761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048585
StatusPUBLIC

Content hashes

Canonical textb78b17a9d036d4f2c6c4c6b3a24673b4bf43d0af69c0aa0cd16f1da56f5767b9
Markdowneafbe47a018981cd9943b6ff5a16e43d213240a3a9072a67ee7f5e3a7136567a
PDF
Publication page7c567eef7d8f3b914e00b350b6ba00314e8c667ef8335a6177520e4f2a9ee5be
Manifestcba482df358ab2d6203e01d74f07a95cae5edf1b4b5926870081f4f2366d4bc4

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
SignatureiOJLPczat1291P3WV2H4tcLI/A65iTh9C79Ms+Y14mzv+2pXIZhZzp3RHQOu/7sqOOxVl7j27CkF8WwW86mkCw==
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

2026-09-17T11:05:23.583977ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048585
observed 7c567eef7d8f3b914e00b350b6ba0031...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:23.564238ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048585/manifest.json
observed cba482df358ab2d6203e01d74f07a95c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:23.545452ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048585/publication.md
observed eafbe47a018981cd9943b6ff5a16e43d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:23.527152ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048585/publication.txt
observed b78b17a9d036d4f2c6c4c6b3a24673b4...
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.