OpenTechnical

OT-2026-000027390

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, single stage ejector, supply line pressure sensor, sustained 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-2026-000027390) never changes.

Identity and time

Publication numberOT-2026-000027390 · never reused
Internal UUID01a0ae72-6997-7610-adbe-c1cd7fcaf35e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:48.928538Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027390
StatusPUBLIC

Content hashes

Canonical text9312be6fe0d26d97c6a5bc0b9513f808c25e7c69cc95ff8514b707834c6a7b26
Markdown5600e763086bc741fa10e5d77a293dd66c4af785cda63913dcd96298bb87f395
PDF
Publication pagef8d65497fb32402998f4a4cca89727d21d04d3a37365ea05e5d8beb5e93bcbef
Manifeste08c4bf3fb341256f835ee4bd13709cbc90316706f7f4a8c3573015dccb9701a

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
Signatureqo8MAvJ3VGq0Pp4PCrrRvfbi3LKlJiBvQvJMNRNqj8pI/Sv8B9Q25ZTDoFvpAjDeeL1NkHxrZrW3jkxbrjFqAw==
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

2026-09-17T11:42:48.609836ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027390
observed f8d65497fb32402998f4a4cca89727d2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:48.594085ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027390/manifest.json
observed e08c4bf3fb341256f835ee4bd13709cb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:48.578110ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027390/publication.md
observed 5600e763086bc741fa10e5d77a293dd6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:48.556202ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027390/publication.txt
observed 9312be6fe0d26d97c6a5bc0b9513f808...
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.