OpenTechnical

OT-2026-000028334

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, two stage ejector, manifold pressure sensor, sustained 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-2026-000028334) never changes.

Identity and time

Publication numberOT-2026-000028334 · never reused
Internal UUID01a0ae72-e2f5-727d-a31c-45b24b3888e1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:19.949572Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000028334
StatusPUBLIC

Content hashes

Canonical text46ddc845a49e062dd8473dcaf3b9384ca22528a7ccba0b8e587ea03adaead34b
Markdowneb18ef0629d8a321fb4f9d9d3f18e6ea1f76802b82e0be86e34512a5fe2aecd8
PDF
Publication pagee17aee42081a5b4875be9f04a0abbec336243a992f1f0d779b3feec000158a03
Manifest3eafee8f51945e68df64ef735326d8ee3dacf98290d77622fe816156a75cfb2b

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
Signature7+Ju9tJ+Udlw7dg0kCRD+bMXi+zQ2nULGc8n5KceTxb2Y1LwLkAO6udcAOLJcwC3Oi/ciYc/bY+7ELDvW9/QAA==
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

2026-09-17T11:40:20.335069ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028334
observed e17aee42081a5b4875be9f04a0abbec3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:20.319908ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028334/manifest.json
observed 3eafee8f51945e68df64ef735326d8ee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:20.303750ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028334/publication.md
observed eb18ef0629d8a321fb4f9d9d3f18e6ea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:20.285641ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028334/publication.txt
observed 46ddc845a49e062dd8473dcaf3b9384c...
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.