OpenTechnical

OT-2026-000018775

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, two stage ejector, pulsed 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-2026-000018775) never changes.

Identity and time

Publication numberOT-2026-000018775 · never reused
Internal UUID01a0ae6e-d521-741a-a627-a44b27cd4466 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:54.261386Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018775
StatusPUBLIC

Content hashes

Canonical text52fc7f0f41d3c9aec124719cee82455fd278ccca31b26e4bf74f7283847b0989
Markdowna0b5e507b6379dbda0ae8686a88d2f4c14f52364b577e4b7291dde9c57e2dbe5
PDF
Publication page833df4e20cbe2bfe788a9bbc5de388b4a1b8d3ab54df2068b57079cee58638fe
Manifeste7d997e6203eace96737026c3fe6f8dd167f146da98fd421500c27cd96f7f393

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
SignatureQkRaHsh/l2Px0JyLMpfAD5qxAp/Eahgi6LIRfosI1LBkpyXQhVAFb1NQbtYahWLR7Qc0FozQTREti4sz8iapDw==
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

2026-09-17T11:59:05.290717ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018775
observed 833df4e20cbe2bfe788a9bbc5de388b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:05.243171ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018775/manifest.json
observed e7d997e6203eace96737026c3fe6f8dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:05.224553ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018775/publication.md
observed a0b5e507b6379dbda0ae8686a88d2f4c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:05.171904ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018775/publication.txt
observed 52fc7f0f41d3c9aec124719cee82455f...
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.