OpenTechnical

OT-2026-000033224

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, single stage ejector, manifold 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-2026-000033224) never changes.

Identity and time

Publication numberOT-2026-000033224 · never reused
Internal UUID01a0ae75-4844-71d9-a961-8bc5c7b48995 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:57.065765Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033224
StatusPUBLIC

Content hashes

Canonical text8211fa33ecfad6539ed26c64bc2f0c50e4a93b838cc0e8c1b267fbca4d8c0158
Markdown1c4ce760698738c7ca9e7ead5fa79bfa5058d573e2d14eaa239c599766606586
PDF
Publication page5f4f24002b5e088e4aafa7a62af60efc3bd930c47c13fbeedb3388b2a85a62a6
Manifestb216ca12a02316c693123981541f90bd32e41e0554d5b028b27f1f2344858475

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
Signature4Mkg+zT79mykae5SDKClsI3P+pH9dywngPajpSGF47kSMJfK1NvDsBxX/TDsQ4U6VvnqyYbGr8nvM9UFcslICw==
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

2026-09-17T11:32:55.719531ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033224
observed 5f4f24002b5e088e4aafa7a62af60efc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:55.700436ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033224/manifest.json
observed b216ca12a02316c693123981541f90bd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:55.683014ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033224/publication.md
observed 1c4ce760698738c7ca9e7ead5fa79bfa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:55.664337ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033224/publication.txt
observed 8211fa33ecfad6539ed26c64bc2f0c50...
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.