OpenTechnical

OT-2026-000034623

Publication integrity record

Four bellows cup vacuum gripper, four zone face, three stage ejector, supply line pressure sensor, pulsed 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-2026-000034623) never changes.

Identity and time

Publication numberOT-2026-000034623 · never reused
Internal UUID01a0ae76-1ed1-7d45-964a-a4cc336f19f8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:51.876169Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034623
StatusPUBLIC

Content hashes

Canonical textcf964af1f8e9711e75e5595091b489190e59cba928fd6307ae9aca98ff4bb0af
Markdownb1006a5416f937cac7fb4f1b284110041d0d9bf46617ac4e7bf5e3c4f19a90d6
PDF
Publication pagea5cd4acc14b35632fc8dda33d74b9781efad832321f19f5d07ec5e23ba545a03
Manifestd04df7164075d9a29416189ec1443ab99d65564ea9a5a4c97a74b5ef289f5bb5

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
SignatureNe/q2W7uXeoklqXHBj8QFE1zuResiqRjydWL7bG2CweaQ47/6Z66ISnY+tYF6kg/9ZvTnFX/HYQ/Tk0NVVPBAA==
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

2026-09-17T11:29:00.401603ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034623
observed a5cd4acc14b35632fc8dda33d74b9781...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:00.385012ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034623/manifest.json
observed d04df7164075d9a29416189ec1443ab9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:00.367878ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034623/publication.md
observed b1006a5416f937cac7fb4f1b28411004...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:00.350064ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034623/publication.txt
observed cf964af1f8e9711e75e5595091b48919...
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.