OpenTechnical

OT-2026-000033873

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, pulsed blow-off after 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-2026-000033873) never changes.

Identity and time

Publication numberOT-2026-000033873 · never reused
Internal UUID01a0ae75-a391-7c1a-aa3e-a3e554c4ef4f · 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-2026-000033873
StatusPUBLIC

Content hashes

Canonical textcfcb401263ece7499a6284f227581940714e9df724fd747a6e9c801dad185cba
Markdown4a50392fe410bef316a29f4416686dea80e8c135173ad98ec8c5da1aaa7e4195
PDF
Publication page4bdbc5d7aa1a4abc3cfc3e1adb0370e8577f2e9d9be88c3fd3c2647463245041
Manifest9d6ba6578929ea2b65bee110d2c080b8ef02df7659d9f85ee0583ae31a355fce

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
SignatureBy6TgCr5u0YZ9RP5HG+X53H2xhIN3fzhhLlpQE1Uv2fhrXGD7xXm1aR55Zs/EXlxxF6qEjSY/+8t9UxnFRUWAg==
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

2026-09-17T11:31:56.408809ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033873
observed 4bdbc5d7aa1a4abc3cfc3e1adb0370e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:56.390921ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033873/manifest.json
observed 9d6ba6578929ea2b65bee110d2c080b8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:56.370932ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033873/publication.md
observed 4a50392fe410bef316a29f4416686dea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:56.352862ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033873/publication.txt
observed cfcb401263ece7499a6284f227581940...
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.