OpenTechnical

OT-2026-000032190

Publication integrity record

Foam pad vacuum gripper, two stage ejector, pulsed 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-2026-000032190) never changes.

Identity and time

Publication numberOT-2026-000032190 · never reused
Internal UUID01a0ae74-f7a6-7982-b7af-17e0cf851f40 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:36.332587Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032190
StatusPUBLIC

Content hashes

Canonical text9c66b21e5e1f73be9f80cd05e1fb3d67ec3cbcdd80592ff1d9f0ab701ee1b53c
Markdown629cffb38ef235d54190048c2e17955b8aa1dcbb0fececfcb86ef7f0ebb16a77
PDF
Publication pagefe60c6f0cb9b6a0e3ba11626ecd34a2634e1ef8add4085568bfb56b2eadf1d86
Manifest1bbeb08b98b05d414885810a498246de2453464c051b735e00d7a99801994a69

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
Signature1V45uNDeI+8hVgl0SkHFUGoCz+lxca8Xl+CPdvqOaz1TfZmuaOjOGC6wf7TBrX8ELH/D2ElpVPcdpNoPgl8QAw==
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

2026-09-17T11:34:31.951710ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032190
observed fe60c6f0cb9b6a0e3ba11626ecd34a26...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:31.933604ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032190/manifest.json
observed 1bbeb08b98b05d414885810a498246de...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:31.917114ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032190/publication.md
observed 629cffb38ef235d54190048c2e17955b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:31.899881ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032190/publication.txt
observed 9c66b21e5e1f73be9f80cd05e1fb3d67...
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.