OpenTechnical

OT-2026-000049257

Publication integrity record

Two cup vacuum gripper, two outlet manifold, two stage ejector, manifold pressure sensor, sustained 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-2026-000049257) never changes.

Identity and time

Publication numberOT-2026-000049257 · never reused
Internal UUID01a0ae81-134f-74df-b625-5046cf1ada6a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:34:49.967260Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049257
StatusPUBLIC

Content hashes

Canonical textd12c6079db57302831991627b5d92bbe719a4ef949b1b9ebcd225cb29e03910e
Markdown1b1cba07f6d6fc7f2522cf9ca5e2269852664aa14790f9613f61e4b32cebd7ac
PDF
Publication page188640ef1aaf30bb0c6ef674bb1389346d6bf7ce5f3495c03c85005f29575ce5
Manifest271111e34c869718ea7c00e2923f7558ea3ab1f00d95f634315497e278bcf739

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
SignaturecQitHsRdK6+1H8JXAVUTKr493COPby5vP2n1psVpQ0/Er+NYfzmJNd0K4xDQKzA74xYhOAE0EaFrF/dOF1KrBA==
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

2026-09-17T11:04:06.369299ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049257
observed 188640ef1aaf30bb0c6ef674bb138934...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:06.348639ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049257/manifest.json
observed 271111e34c869718ea7c00e2923f7558...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:06.327678ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049257/publication.md
observed 1b1cba07f6d6fc7f2522cf9ca5e22698...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:06.309279ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049257/publication.txt
observed d12c6079db57302831991627b5d92bbe...
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.