OpenTechnical

OT-2026-000038439

Publication integrity record

Three cup vacuum gripper, three zone face, three outlet manifold, two 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-2026-000038439) never changes.

Identity and time

Publication numberOT-2026-000038439 · never reused
Internal UUID01a0ae78-2d53-7113-b00c-da0302de7640 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:06.661829Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038439
StatusPUBLIC

Content hashes

Canonical text49cedd3c32bbc932972e6dc6337651097b860e67f1548cfc802a62d16eeb2152
Markdown2de4fd946eee85272a4d191a0b7353cae5de74cda69caa5cea47be8e61cfaa59
PDF
Publication page92d37fdae810a52cc27daa1c672fd7f0aa7a13db8aa1ccf9deae5796f998a8d9
Manifest5a54f4cb42e6e7cb07f1e45d5a2a3bacee39869b1bb19f69cdfd0822c6ba500d

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
Signaturey/uYpXXMw9BA4KW8qaq4fRZZasdfxEwkGz+ZKL/5UA/XltMi9ylam86OEbc+P5/ZobdhpgoaIfLWHapfCQDDDQ==
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

2026-09-17T11:22:40.045465ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038439
observed 92d37fdae810a52cc27daa1c672fd7f0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:40.007795ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038439/manifest.json
observed 5a54f4cb42e6e7cb07f1e45d5a2a3bac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:39.988263ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038439/publication.md
observed 2de4fd946eee85272a4d191a0b7353ca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:39.969774ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038439/publication.txt
observed 49cedd3c32bbc932972e6dc633765109...
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.