OpenTechnical

OT-2026-000022874

Publication integrity record

Foam pad vacuum gripper, common isolation valve, two stage ejector, sustained blow-off 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-2026-000022874) never changes.

Identity and time

Publication numberOT-2026-000022874 · never reused
Internal UUID01a0ae70-46eb-7d1a-afbd-4246e3e59da7 · 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-2026-000022874
StatusPUBLIC

Content hashes

Canonical textfae53822fd226a4535bcbb9c2be3932c228cf98542621ae2bb7be3cb833b7d5d
Markdown709984656a4397384033f380d109eaa4528747399a46ad11e08067f53320d804
PDF
Publication pageab03e4f4c2770976c7e65f8c2ce5ef4c9e74a23b46fbbc1d460e0fc5c0292543
Manifesta6e8ac9245f9f10a86549d3d6b9a3e0d4122187d12cd0d9bd72726a4f80bd997

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
SignaturezC0ntWbTVnHr6eg8XChsxhH5pWiFPD73RrtBY7YpAxL0iwtdKPHxF4NLqGjiI+zukEotN1jkEhKwPfDosR+SCA==
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

2026-09-17T11:52:26.184941ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022874
observed ab03e4f4c2770976c7e65f8c2ce5ef4c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:26.165912ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022874/manifest.json
observed a6e8ac9245f9f10a86549d3d6b9a3e0d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:26.146491ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022874/publication.md
observed 709984656a4397384033f380d109eaa4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:26.128324ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022874/publication.txt
observed fae53822fd226a4535bcbb9c2be3932c...
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.