OpenTechnical

OT-2026-000044580

Publication integrity record

Single bellows cup vacuum gripper, three stage ejector, pulsed blow-off after set-down

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-2026-000044580) never changes.

Identity and time

Publication numberOT-2026-000044580 · never reused
Internal UUID01a0ae7c-39d9-7f3a-a600-ec718bb4aa10 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:32.012327Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044580
StatusPUBLIC

Content hashes

Canonical textbb33762b6ee2af5e3d79aa559dbe8a754a4861f78f02c9cd9079ef40ff69ec6c
Markdown57a51c7e175d76364fee4bd476dd6f707ce827bac942540076e6285d905c4872
PDF
Publication page26a2ba9aabc1a07fc89f16e869b2eaf8b203d9a9992494f289748bcbb317ea24
Manifest8f49e57894086fbbe28c4b39a8fc7cecd988ba75444b1103bf118ca1af385b06

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
Signature518RskTLiTUuJodrT2g5kegV2m4raAG2lc7+a+H+xtZq6hKCks+qADekH3T4zTdRfY40hvySR0eKdZb91xkXDw==
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

2026-09-17T11:11:46.716744ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044580
observed 26a2ba9aabc1a07fc89f16e869b2eaf8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:46.698887ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044580/manifest.json
observed 8f49e57894086fbbe28c4b39a8fc7cec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:46.679401ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044580/publication.md
observed 57a51c7e175d76364fee4bd476dd6f70...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:46.661291ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044580/publication.txt
observed bb33762b6ee2af5e3d79aa559dbe8a75...
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.