OpenTechnical

OT-2026-000043413

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, two stage ejector, sustained 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-2026-000043413) never changes.

Identity and time

Publication numberOT-2026-000043413 · never reused
Internal UUID01a0ae7b-327e-73db-a367-483fadb0d14a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:24.717423Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043413
StatusPUBLIC

Content hashes

Canonical text16643c777cba418133cb284285795f2761ac444b3c7b28ecf2733487d87d9487
Markdowncb37e28a0de2324c065095edb6b81b6d5c3fedda46e94ab9c65f77c1af5b4489
PDF
Publication pageb58d9f07e50a9067f6ae92e4993fd0b370a99197e025b45888a6c59d28455151
Manifest43bbd74a0ea7a675c00398442d474dcea8e089bb231d9e67779870c4954df61e

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
SignaturePvHzV4nWpmpnE0fNxDVAViwAHQwACNtMg1g93L9ZLUMzM+hvISNskx3fPnffS33H4y186tV6KSr9RNAATbDvDw==
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

2026-09-17T11:13:57.198257ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043413
observed b58d9f07e50a9067f6ae92e4993fd0b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:57.178865ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043413/manifest.json
observed 43bbd74a0ea7a675c00398442d474dce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:57.159949ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043413/publication.md
observed cb37e28a0de2324c065095edb6b81b6d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:57.138863ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043413/publication.txt
observed 16643c777cba418133cb284285795f27...
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.