OpenTechnical

OT-2026-000070032

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, 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-2026-000070032) never changes.

Identity and time

Publication numberOT-2026-000070032 · never reused
Internal UUID01a0ae91-1861-75eb-afac-934c3de9413f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:19.726120Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070032
StatusPUBLIC

Content hashes

Canonical text32b0af25365a8b128e3444aaa648d9e55939a42985009cee2fab7875f5f3233a
Markdowna184c33304d329aae732afdb0ab019780c8c81e250e809d9deda25210379a0af
PDF
Publication pageb3181945d624d9a8a6ca4735eea5ff6447332594a0353cb75e5302acde02369d
Manifest55978b2025ec704319500b1e30062c100af77a0fc560cbf2a79841d9e84c56b9

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
SignatureUM+s6hinr1hVFHwnKNzh9wJC0XMkHb3wqisJRHel5uaCNSNjPLSo/XhmFGRLLohdlmC6tb1a8N3aCn0E8X45DA==
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

2026-09-17T10:26:59.153671ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070032
observed b3181945d624d9a8a6ca4735eea5ff64...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:59.135754ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070032/manifest.json
observed 55978b2025ec704319500b1e30062c10...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:59.114965ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070032/publication.md
observed a184c33304d329aae732afdb0ab01978...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:59.099071ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070032/publication.txt
observed 32b0af25365a8b128e3444aaa648d9e5...
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.