OpenTechnical

OT-2026-000025338

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, single stage ejector, supply line pressure sensor, sustained blow-off before set-down, on a tool changer

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-2026-000025338) never changes.

Identity and time

Publication numberOT-2026-000025338 · never reused
Internal UUID01a0ae71-5fa7-729b-8a9b-d37fd3072139 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:40.790954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025338
StatusPUBLIC

Content hashes

Canonical text6fd8362d53689a3e2125eae231cdc78701b3677c5b377f86a1537d12d01242fd
Markdown2efaa6ce920c5dfee4f63d1e2a87edd0585e6451bcecd9a23f3630e6db28269f
PDF
Publication page8e2d79c1782967135ea63fd3551763db74bc75d934eca5b09ac0513a4ce5a497
Manifestc6b6b89dfcae3a374209518edca57cadde84c2c8d4d9d4f6a1e9877caba79d28

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
SignaturermAaagsH6pYkhq3HTkgl7dnjiJpP3W7x7mj+KCcxwsZiyctByBpaT4aPYo8l+y58wLwzlPSHlknjHuyTjGnnDQ==
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

2026-09-17T11:47:21.934583ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025338
observed 8e2d79c1782967135ea63fd3551763db...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:21.916522ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025338/manifest.json
observed c6b6b89dfcae3a374209518edca57cad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:21.897171ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025338/publication.md
observed 2efaa6ce920c5dfee4f63d1e2a87edd0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:21.880355ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025338/publication.txt
observed 6fd8362d53689a3e2125eae231cdc787...
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.