OpenTechnical

OT-2026-000012081

Publication integrity record

Four cup vacuum gripper, four outlet manifold, single stage ejector, 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-2026-000012081) never changes.

Identity and time

Publication numberOT-2026-000012081 · never reused
Internal UUID01a0ae6d-1943-7df0-b68c-fe96d0ddac58 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:00.631271Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012081
StatusPUBLIC

Content hashes

Canonical text15cf30f641501ad3c8062a6462d457cb78569f4183e2cd8ab8e75b75de946b0a
Markdownad4fbdebad36d1a3a1bbea2d1b463aecfcfd2c7fce04c14b2791110fc1c83a7b
PDF
Publication page8517f8316b78bacbb77137b53b43d5776a97ccb77a1593577ffd589480c1a212
Manifest3dc880b812cac2e33dddc02218fbfd5e05d9d1b3f8be516f7010bc3c2318c2fa

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
SignatureRERVbVorof356OxUH9nCokEqN9GGNOD9rwE4YrqXAATvCR+xcCxfcWcayQJfniIzr2HmIO+R6kMvvjmV1IxsBw==
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

2026-09-17T12:12:58.208437ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012081
observed 8517f8316b78bacbb77137b53b43d577...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:58.188944ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012081/manifest.json
observed 3dc880b812cac2e33dddc02218fbfd5e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:58.169436ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012081/publication.md
observed ad4fbdebad36d1a3a1bbea2d1b463aec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:58.149962ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012081/publication.txt
observed 15cf30f641501ad3c8062a6462d457cb...
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.