OpenTechnical

OT-2026-000071196

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, 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-2026-000071196) never changes.

Identity and time

Publication numberOT-2026-000071196 · never reused
Internal UUID01a0ae91-e0eb-7b7a-ad49-87d48ac3bf05 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:11.039722Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071196
StatusPUBLIC

Content hashes

Canonical text254cd6e7a25074e1fbdf6f33723d1f88474ddb2eb6075a1fc076b7568690d48e
Markdownb1709325cb18d5dd887ab5575b2f3361fbc6804634e1eb4c3ce80e092b38dde7
PDF
Publication page4167fa6a384318bdea41d69fa16efb4bbf4385ed95c56ec1ce7f5a7b8a23a4a4
Manifestb81938dafb76cf2b7b6a9b40ad3979e88f6b2421fe21088a41b3949df3dc0144

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
Signature+Oep5WAnmoDrNNvlvZnr5slS85uqcFHJJ/tCCBEpm2cSwpMKrPpekBlxbalh4RdPHQEGAIzlTAWm3GPDPH+ZDQ==
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

2026-09-17T10:24:42.966642ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071196
observed 4167fa6a384318bdea41d69fa16efb4b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:42.949839ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071196/manifest.json
observed b81938dafb76cf2b7b6a9b40ad3979e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:42.932649ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071196/publication.md
observed b1709325cb18d5dd887ab5575b2f3361...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:42.915029ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071196/publication.txt
observed 254cd6e7a25074e1fbdf6f33723d1f88...
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.