OpenTechnical

OT-2026-000022797

Publication integrity record

Two cup vacuum gripper, two outlet manifold, pump fed, sustained blow-off before set-down, on a tool changer

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-2026-000022797) never changes.

Identity and time

Publication numberOT-2026-000022797 · never reused
Internal UUID01a0ae70-46ea-7caa-9255-300e2d3f6969 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:28.929798Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022797
StatusPUBLIC

Content hashes

Canonical textfe800d9013d8aa28d29ccdfcaa9d056e1a6c27c5d838c52bdd67f8938122125b
Markdown14df46cc93642e3d6ccfb644d244bf7919995d27420e44d167fe7b410b85e98a
PDF
Publication page46c00db9972c11602f19acd1653daf390128fcfff5e2a9ea2405b672fa91ad42
Manifest17f40d3a7909f346eaa9c952158051f68e8c2926ca5ee138b2d5e78f1ee5fbe3

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
SignaturezMqSPFMHbIAxuhnysiw8HKSQA3k727cD0gABA1aT9S5FgZry3I97TS6iR7k+ZhEBsV4uZrLyQrT8NUK0S00VAw==
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

2026-09-17T11:52:19.191535ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022797
observed 46c00db9972c11602f19acd1653daf39...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:19.174700ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022797/manifest.json
observed 17f40d3a7909f346eaa9c952158051f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:19.157015ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022797/publication.md
observed 14df46cc93642e3d6ccfb644d244bf79...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:19.137577ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022797/publication.txt
observed fe800d9013d8aa28d29ccdfcaa9d056e...
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.