OpenTechnical

OT-2026-000052213

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, two stage ejector, vented 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-2026-000052213) never changes.

Identity and time

Publication numberOT-2026-000052213 · never reused
Internal UUID01a0ae83-e790-7695-9d22-dd20ff8a0684 · 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-2026-000052213
StatusPUBLIC

Content hashes

Canonical textcb0430178dcd91a13aedd44676811abeaf5366b996f57a707ae7de8560f57b98
Markdown44450a2eb31dc35e8bd7a01ad8b08df4a72da24b5de493d0484813b9fdf5df16
PDF
Publication page9c7478da16c2b0edb9e85eb13b5bef80714c630f036c82178bb794a585d4886c
Manifest1365305fdbc9ee8871a7adad9aeb9bf6d6c2d1488762ddfaf85ff22b0484bcbc

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
SignaturetIEmftHA3fmsowp94hzq0/Sp0Ai33LgWIp/MwyxixyuBlnUfhjOznGzgSI5N0FP6rK7XXdR1SEiIYt4lHHYdBw==
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

2026-09-17T10:57:46.991704ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052213
observed 9c7478da16c2b0edb9e85eb13b5bef80...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:46.974181ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052213/manifest.json
observed 1365305fdbc9ee8871a7adad9aeb9bf6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:46.956799ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052213/publication.md
observed 44450a2eb31dc35e8bd7a01ad8b08df4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:46.939602ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052213/publication.txt
observed cb0430178dcd91a13aedd44676811abe...
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.