OpenTechnical

OT-2026-000013087

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, plant vacuum fed, 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-2026-000013087) never changes.

Identity and time

Publication numberOT-2026-000013087 · never reused
Internal UUID01a0ae6d-5565-7e01-ab45-64d85416efbc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:16.019734Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013087
StatusPUBLIC

Content hashes

Canonical textcc4b284c11425075a84030fdd43492c7e449f020f4d203cc83c2e860cd8ba61e
Markdowna9a333cd1aa539e7a039df95da3f9349430e7c11be5cd4b9b7a09bc7ec43b588
PDF
Publication pagef878514c5b027ea1e167cf71ba0f688322cd600dbf9d49d07747284e0e857071
Manifest507b6fb31d4d81a031a9f2bdcb098d2a45f6c441b2fa706b903964b621bd337a

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
Signatureqa0ctiVwHFDtkUyYE5UIny++WkcXt738LtKdKleUkv0169jLCtz5VYnt4ixLFvV+O2nVtO0+rMtlY9dzd6WTBA==
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

2026-09-17T12:10:56.048111ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013087
observed f878514c5b027ea1e167cf71ba0f6883...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:56.026600ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013087/manifest.json
observed 507b6fb31d4d81a031a9f2bdcb098d2a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:56.004061ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013087/publication.md
observed a9a333cd1aa539e7a039df95da3f9349...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:55.982044ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013087/publication.txt
observed cc4b284c11425075a84030fdd43492c7...
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.