OpenTechnical

OT-2026-000028094

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, supply line pressure sensor, 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-2026-000028094) never changes.

Identity and time

Publication numberOT-2026-000028094 · never reused
Internal UUID01a0ae72-a520-7f7b-9e80-2b180813cbf7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:04.113553Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000028094
StatusPUBLIC

Content hashes

Canonical text0ad5c2ea626ed55f720c8346377fce9510ccc24bfaff85e7407b15a60eb5fcb4
Markdowncffa769147b32ccc9091022d6003bbf66fcf91de0de438b376b8ab6a03fcaf81
PDF
Publication page885777cd307a7d3e515b969af5ddc97c017228cfccdc2733cabb436ed6f5f96a
Manifestfb369c211cd825c64da774333170e19016f455dae68602893724b2a093083a38

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
SignatureY4u5BtQc8HOKE0ZAdwIgQqJVL7dyTYR18vF90xslNXZGeqX/l0iZNdh7U38PcvhNzbYjm6E6qQJttBU6hC58CA==
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

2026-09-17T11:42:26.419059ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028094
observed 885777cd307a7d3e515b969af5ddc97c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:26.402174ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028094/manifest.json
observed fb369c211cd825c64da774333170e190...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:26.385842ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028094/publication.md
observed cffa769147b32ccc9091022d6003bbf6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:26.367946ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028094/publication.txt
observed 0ad5c2ea626ed55f720c8346377fce95...
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.