OpenTechnical

OT-2026-000041028

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, manifold 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-2026-000041028) never changes.

Identity and time

Publication numberOT-2026-000041028 · never reused
Internal UUID01a0ae79-b10e-7174-931d-12122a7ef519 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:45.980839Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041028
StatusPUBLIC

Content hashes

Canonical textb1f50a47fb751f772da50c9d2a16b16a4c971d2e620f0e8c91c45161a3ff3722
Markdownbee6988801ec1579900474a07647f55f25287d0d72c072d93a114acfa68f71ce
PDF
Publication pagecfc709a1eb82a0cc2df5aa8e10601c44380b4dce8b2331df526f74313bb4796a
Manifest96c0c4b37e3c593f0409cf67ea88a8eed3ea3773a44d9ac93c51248f9d2dcfbb

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
SignaturezkMHWQFMJ95Mk4vdNwqd1t9TnmQvuu7Jp8xnoTD9n6xqmQn5SsoQiBHY4ynBAoo875AdVE7YyptQd8T1tZFUDg==
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

2026-09-17T11:16:56.219021ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041028
observed cfc709a1eb82a0cc2df5aa8e10601c44...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:56.202406ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041028/manifest.json
observed 96c0c4b37e3c593f0409cf67ea88a8ee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:56.185438ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041028/publication.md
observed bee6988801ec1579900474a07647f55f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:56.170076ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041028/publication.txt
observed b1f50a47fb751f772da50c9d2a16b16a...
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.