OpenTechnical

OT-2026-000012242

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, two stage ejector, pulsed blow-off before 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-2026-000012242) never changes.

Identity and time

Publication numberOT-2026-000012242 · never reused
Internal UUID01a0ae6d-39f5-7888-8e92-3fef280e3d9e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:08.998406Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012242
StatusPUBLIC

Content hashes

Canonical textecbdf4db5b68d1cec8845597c265edbfed9bbe76375f0829bc1a039638013bfe
Markdownca905a9e81058a31316e450386f5af1fd597b3090183536a5ed2b1d5a37d8a18
PDF
Publication page05e7c91ac065106cb4e56f9278d5bef58d1a401f73cb8a8d815afdf3f3f037cc
Manifest6816903652be030bdb579569eb7ce305bbe008adc2d729a4c90b07bad1c5e00f

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
SignatureUQzgme+Zgt2IJjYejr4XExoVMdAr6GvyLypxoa+wEjMKps5t0zMZrSfJWzzp9R10lD1AjI3eXDaHVCELyq+ODA==
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

2026-09-17T12:11:10.170690ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012242
observed 05e7c91ac065106cb4e56f9278d5bef5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:10.151706ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012242/manifest.json
observed 6816903652be030bdb579569eb7ce305...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:10.132340ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012242/publication.md
observed ca905a9e81058a31316e450386f5af1f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:10.113468ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012242/publication.txt
observed ecbdf4db5b68d1cec8845597c265edbf...
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.