OpenTechnical

OT-2026-000008224

Publication integrity record

Two cup vacuum gripper, two zone face, per zone isolation, plant vacuum fed, pressure sensor per zone, 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-2026-000008224) never changes.

Identity and time

Publication numberOT-2026-000008224 · never reused
Internal UUID01a0ae6a-908d-7d5a-a0d1-8c3c8b4ecba5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:14.564317Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008224
StatusPUBLIC

Content hashes

Canonical text964c86d1b558ecea4453261bd4658eed743acd706a23a41da418b0b2801ae384
Markdownd6205d34aa1a4996110005ed8f7b2ffc436c33eda85d95c2df18424cf4786827
PDF
Publication page0cdaa86852dfd8d947bb42bc42cd043d626c651d2795b2c67e1bd4d18ee9f51b
Manifest23be184346261192984a139f0595486608f761ebd74da3cbab95ce4267872738

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
Signaturezfsd7MmJsAX8ky6UvQh1sbj/wCC9N9Itg3Ctv5ZkYk1/jqV7oyR2tWeJsvbVShXFAylrzpuSsKBX+YPped/rDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:20:38.551979ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008224
observed 0cdaa86852dfd8d947bb42bc42cd043d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:38.534734ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008224/manifest.json
observed 23be184346261192984a139f05954866...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:38.515252ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008224/publication.md
observed d6205d34aa1a4996110005ed8f7b2ffc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:38.496171ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008224/publication.txt
observed 964c86d1b558ecea4453261bd4658eed...
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.