OpenTechnical

OT-2026-000039055

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, pump fed, 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-2026-000039055) never changes.

Identity and time

Publication numberOT-2026-000039055 · never reused
Internal UUID01a0ae78-9672-7df2-bd8c-9a5473d555f5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:33.573712Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039055
StatusPUBLIC

Content hashes

Canonical text840ece5b6c9b99ae9f1c89f209a1614e5aa336e11894f4233516559da48479fa
Markdown8bc75b8ab66d9a1cc354259b24466fc109ab5c6404baa48420b20b1ff42d3832
PDF
Publication page6dda92db43635c6c8f3d00f732eb05276277899a3bdf883cbc4e70dc6e554e6d
Manifest18e6b045c251489363c83fc6df6e4c7f9c726b53c22f5b5140677a8c2e4f26d0

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
Signature4iyYAnN7UOH3aQ99OhoPABMjIUAaazbHByJfKWwpdR9P7P5tvSB4tomFaq7fhyokzucY3+ZNTqAnUfwRJZLlCA==
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

2026-09-17T11:20:24.900439ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039055
observed 6dda92db43635c6c8f3d00f732eb0527...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:24.881265ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039055/manifest.json
observed 18e6b045c251489363c83fc6df6e4c7f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:24.862408ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039055/publication.md
observed 8bc75b8ab66d9a1cc354259b24466fc1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:24.839829ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039055/publication.txt
observed 840ece5b6c9b99ae9f1c89f209a1614e...
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.