OpenTechnical

OT-2026-000049821

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, single 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-2026-000049821) never changes.

Identity and time

Publication numberOT-2026-000049821 · never reused
Internal UUID01a0ae81-8ff0-709c-99a5-be024d8b26d4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:21.728203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049821
StatusPUBLIC

Content hashes

Canonical text4262fbef099acdc7815f12004e131c6256e3deaf2f94c3befbca8e79748e1e4b
Markdownf24b40a89e311b3e1c55d1ba8a28e69715953f8b7baab5540200ed9f0c86e9b3
PDF
Publication pagec9294066dd416d63c7ef9c325274e8a8ae7a7f7e9881e51bcd8ef7b8ed26163d
Manifest1e24b2b5cbba5f33b52b20d08a5afce89e1593c9cd3f1cfd45e1bbaf0b8467a2

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
Signature7pmkbEpMrJEwQ65/811RSI3EUU+pc6PS93Ev7c5IX+cLZqf6yk6A4M4ZtMn1QGqGllAv/p1PEfTquMusv2iOAA==
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

2026-09-17T11:02:57.206841ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049821
observed c9294066dd416d63c7ef9c325274e8a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:57.188306ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049821/manifest.json
observed 1e24b2b5cbba5f33b52b20d08a5afce8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:57.169304ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049821/publication.md
observed f24b40a89e311b3e1c55d1ba8a28e697...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:57.149496ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049821/publication.txt
observed 4262fbef099acdc7815f12004e131c62...
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.