OpenTechnical

OT-2026-000044688

Publication integrity record

Single bellows cup vacuum gripper, two stage ejector, pulsed blow-off after 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-2026-000044688) never changes.

Identity and time

Publication numberOT-2026-000044688 · never reused
Internal UUID01a0ae7c-39da-7cbf-949f-73c836fffb1b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:32.012327Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044688
StatusPUBLIC

Content hashes

Canonical textb7a2958d01d82e2ab41606dffbb3e425c41ad52d2ed0203882e08204d946a3cb
Markdown4f30a884a9f9d27141fe89096eff82142b8d1953f14fe228dd161ec5caa41849
PDF
Publication page17fc8a7d26a8b0a4a0276450e8d816b4dc60f8c71eb2f2e4737bd651d884df75
Manifesta17f84a3ef46901b852d0bddcc4bb6a535f3f5853d25615c9bdab520b9f3305f

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
Signature+tl+8223EcQEuoOX8InTnLfbuVe9CsjJ5rdA0Wnsa/81zpEizq53lzKebq2ehPuV3ryzhOLFRstvvmX2d9fIAQ==
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

2026-09-17T11:11:56.643217ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044688
observed 17fc8a7d26a8b0a4a0276450e8d816b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:56.623971ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044688/manifest.json
observed a17f84a3ef46901b852d0bddcc4bb6a5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:56.605917ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044688/publication.md
observed 4f30a884a9f9d27141fe89096eff8214...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:56.587280ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044688/publication.txt
observed b7a2958d01d82e2ab41606dffbb3e425...
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.