OpenTechnical

OT-2026-000038316

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, single stage ejector, supply line pressure sensor, sustained blow-off before set-down

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-2026-000038316) never changes.

Identity and time

Publication numberOT-2026-000038316 · never reused
Internal UUID01a0ae78-2d51-7670-a609-eeb726bae450 · 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-2026-000038316
StatusPUBLIC

Content hashes

Canonical text92013c1363c00aadae623435c7019fb88fd0b47158ea2082f3d3b7e61de6a3f8
Markdown1956ea3f14930c48b4f61f0433c49493d702d38b5e7e3ce05c9b36d295a456b0
PDF
Publication page1b952bdd6da7ea8839ceeb77cdd5fe66b53c2d3d0028f98198350961b4df7c42
Manifest183fede940207137b2448f5d3f0936f0612a31c84376b82251e6061a27156af5

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
SignaturelHgEd0Ap1FN2Gr3XEAQXTl/IEsZjGq8P70CmSn3khEPy/MtIBTVJmRiGYVs/6xSUfA6X9jDS4P53wI7PI89QBg==
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

2026-09-17T11:22:29.707090ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038316
observed 1b952bdd6da7ea8839ceeb77cdd5fe66...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:29.689744ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038316/manifest.json
observed 183fede940207137b2448f5d3f0936f0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:29.669274ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038316/publication.md
observed 1956ea3f14930c48b4f61f0433c49493...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:29.649186ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038316/publication.txt
observed 92013c1363c00aadae623435c7019fb8...
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.