OpenTechnical

OT-2026-000021008

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, pump fed, supply line pressure sensor, 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-2026-000021008) never changes.

Identity and time

Publication numberOT-2026-000021008 · never reused
Internal UUID01a0ae6f-65e4-731b-94d5-3ca92e35976f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:31.316024Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000021008
StatusPUBLIC

Content hashes

Canonical texta25e8b1478f065d60059cea91eeea303f80604b500d8b91b1f7dcc197698449f
Markdown9dd73b4abd1b547f93e9414c2d7fdf2458811fe42862c9dded7626006f132c0b
PDF
Publication pageefefe16f233f9335a103bd9e36995035419a5e580bd2158ae248849b8959f449
Manifest874a4f3875c07b1ef3201c46b4a9dc01473650773a20131bcd0ff5e6d54de5ea

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
Signatureja+WcvM730KpOSdGVSDzKE503W0j8wpX0vii15kL1HCIe5peNJG9onNcUTPZ4Y8de4rshazAGI9dwlhQ2reoCw==
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

2026-09-17T11:56:09.972759ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021008
observed efefe16f233f9335a103bd9e36995035...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:09.954642ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021008/manifest.json
observed 874a4f3875c07b1ef3201c46b4a9dc01...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:09.936864ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021008/publication.md
observed 9dd73b4abd1b547f93e9414c2d7fdf24...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:09.920441ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021008/publication.txt
observed a25e8b1478f065d60059cea91eeea303...
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.