OpenTechnical

OT-2026-000077008

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, manifold pressure sensor, vented 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-2026-000077008) never changes.

Identity and time

Publication numberOT-2026-000077008 · never reused
Internal UUID01a0ae94-b071-7dc5-94ae-e1e2f033ed5b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:15.236414Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077008
StatusPUBLIC

Content hashes

Canonical text41b51d5b38be65eb7fca32078ee17ece2ae33bce25e6399615896bb4351d74ec
Markdown221dd4d1c549a9e9bc8958c8fa00d334b39c67c35c4a7ef693d12ddb46f399c0
PDF
Publication pageb26c78c5ca573969a592534f46e0c5d880837a0257627110c603593f00055211
Manifest804f3f8d2237fa08bc7a346848359dfdad4076cd8aeabfc3deb5001e9a73c871

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
SignaturelhQ07zzaVlsd2pekMRBi4P3crJCJFF3+3uqJTIUTVkjmf68NBX/21rO7fcESvTpzUTyvBBKD7bsWimlFUrFAAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:10:22.044774ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077008
observed b26c78c5ca573969a592534f46e0c5d8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:22.022766ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077008/manifest.json
observed 804f3f8d2237fa08bc7a346848359dfd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:22.002491ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077008/publication.md
observed 221dd4d1c549a9e9bc8958c8fa00d334...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:21.984434ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077008/publication.txt
observed 41b51d5b38be65eb7fca32078ee17ece...
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.