OpenTechnical

OT-2026-000050043

Publication integrity record

Two cup vacuum gripper, two zone face, four 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-2026-000050043) never changes.

Identity and time

Publication numberOT-2026-000050043 · never reused
Internal UUID01a0ae81-fd78-7a0d-b169-183631fb3d48 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:49.774136Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050043
StatusPUBLIC

Content hashes

Canonical texta3f4d985d26092fd64ab5f1a6f7918cde3a6c54c6bf446ca7c164f7f1fc79f7f
Markdown724a28350366693bb7e44d6ccfd952f07cc0dd7e2e46a2163df044d8900222d8
PDF
Publication pagef0477dac1ef8f34fd4b075cf4bb1d27d44d6b3c28dc1e06892b6e26cdf8b3896
Manifest1f361713f36c9b7b24ebe891e012bcef5da9cc2bf485e3247913381e697ef3ea

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
SignaturePAP120hcN9vtlzZ8SGOiqCjJZxjMR/XpONDcK03+ADAnSuwVdR9Z7U3BeyQ7It5hpM/ZUu3HI8MKucTJa31wCA==
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

2026-09-17T11:02:01.258077ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050043
observed f0477dac1ef8f34fd4b075cf4bb1d27d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:01.239228ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050043/manifest.json
observed 1f361713f36c9b7b24ebe891e012bcef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:01.220560ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050043/publication.md
observed 724a28350366693bb7e44d6ccfd952f0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:01.201584ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050043/publication.txt
observed a3f4d985d26092fd64ab5f1a6f7918cd...
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.