OpenTechnical

OT-2026-000034045

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, pulsed blow-off after 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-2026-000034045) never changes.

Identity and time

Publication numberOT-2026-000034045 · never reused
Internal UUID01a0ae75-df0c-777a-96bd-5bdaaaf6fd91 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:35.550760Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034045
StatusPUBLIC

Content hashes

Canonical text3974d156ec906d79f2e503eda9c4041f3856db114ef5d1809c1b6fe023349a0b
Markdownfad8f39c99ac3ad86a521fe84bf316964494a68000f5487956e63356939d2378
PDF
Publication page9046de3ef4ba93003a15c7d38cdedd343582faf2597ac9854adfc91e0391bd8f
Manifestf826c86e755de6747aec69ada4976233d1bb0c4b6d480bc42d7229c92de8ebdc

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
SignatureAOgXAWL4ZES3XTHkhnTq/07mr+GJq4NyRDT5CGvmhys4prvkK5ZNudgekoKKOzNG9eMXAV5S5LpVflRY0dSzCg==
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

2026-09-17T11:30:16.923771ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034045
observed 9046de3ef4ba93003a15c7d38cdedd34...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:16.903637ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034045/manifest.json
observed f826c86e755de6747aec69ada4976233...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:16.874107ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034045/publication.md
observed fad8f39c99ac3ad86a521fe84bf31696...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:16.849571ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034045/publication.txt
observed 3974d156ec906d79f2e503eda9c4041f...
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.