OpenTechnical

OT-2026-000026267

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-2026-000026267) never changes.

Identity and time

Publication numberOT-2026-000026267 · never reused
Internal UUID01a0ae71-f4a6-712f-8253-6bae9aae8e1b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:18.960773Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026267
StatusPUBLIC

Content hashes

Canonical text443997224200e3ede413662f50a472d49dab17fea2120e0185e5edceac1b8d02
Markdown4a2a124893fd8e88f2955099c822af036f9e7ad63fc79765610d4f42b8a8b98a
PDF
Publication page095877fbb386813065773c3c904cd9aac039de7c4919dad9970e7c02890306de
Manifest16ef5ff488e55d2228148d751d9c071f8b88ae12a33c6f01f529825c6d81c280

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
SignatureSiO6vDs59hAa66piBiGU5ur7V7AL7Twt2wFitKXjkIgc8HVtG1J97L8ERo8NInXiXRWz+3X4CxoI/yPxeh+SAg==
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

2026-09-17T11:44:12.745763ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026267
observed 095877fbb386813065773c3c904cd9aa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:12.729231ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026267/manifest.json
observed 16ef5ff488e55d2228148d751d9c071f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:12.711313ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026267/publication.md
observed 4a2a124893fd8e88f2955099c822af03...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:12.693260ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026267/publication.txt
observed 443997224200e3ede413662f50a472d4...
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.