OpenTechnical

OT-2026-000033895

Publication integrity record

Foam pad vacuum gripper, two zone face, three stage ejector, supply line pressure sensor, 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-2026-000033895) never changes.

Identity and time

Publication numberOT-2026-000033895 · never reused
Internal UUID01a0ae75-a391-7bad-9dd6-c085c89f6866 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:20.325649Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033895
StatusPUBLIC

Content hashes

Canonical text8195c6bf342e5a95988e7346b64d482967ab6e9d4df0aa920f609d526890deaa
Markdown420120e3af1337062d3a9499fb532660a9596c40e3ab905080d461ad1f15abc1
PDF
Publication page7d09c28c5ef6458d75215a197849a9b22d8e00e0f94e3a63ae0b291bdd7ae574
Manifest1b7162a93a343b3d283734cac4e70656bdeafd27acc5737567a678c8e319ea05

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
SignatureSrPU1UdCcdX5d94vnZ6eucd5sJ0K1acvcq87OYtBDyFgBEWRTSQrN26iMvxeAIb0cvCNVEmbW9NmTDxUZh9LCA==
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

2026-09-17T11:31:58.260446ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033895
observed 7d09c28c5ef6458d75215a197849a9b2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:58.241546ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033895/manifest.json
observed 1b7162a93a343b3d283734cac4e70656...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:58.222386ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033895/publication.md
observed 420120e3af1337062d3a9499fb532660...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:58.202356ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033895/publication.txt
observed 8195c6bf342e5a95988e7346b64d4829...
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.