OpenTechnical

OT-2026-000079291

Publication integrity record

Four cup vacuum gripper, four zone face, six outlet manifold, plant vacuum fed, pressure sensor per zone, pulsed 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-2026-000079291) never changes.

Identity and time

Publication numberOT-2026-000079291 · never reused
Internal UUID01a0ae96-0b90-71e2-a88e-d08bc4b4eaa0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:44.101434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079291
StatusPUBLIC

Content hashes

Canonical text545a26ebfa79986d70d758bee8d60aba36f6d25e83cc8a2d16b625b710f562ba
Markdown4fb20c7cbadf74fb4d96a1804b41426c77ac53efcb6506aaceeddade29d01b96
PDF
Publication page3c46966a996b8e66faa52300dc4460cc5d4459d913be1746816adac50585a2ce
Manifestc49d89f6fe0dd0467ccf4783637e9c971b4713674c84c875faa59df3b7c2b8dd

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
SignaturegIYVY2fdPK44RmpWfGM7zYz6y/D1hFM5U+XNh7ABhugVEO7YVlNPfgcfkD4hgFZGGYJ5SQgwRumP+GhwgowIDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:04:54.196719ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079291
observed 3c46966a996b8e66faa52300dc4460cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:54.179419ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079291/manifest.json
observed c49d89f6fe0dd0467ccf4783637e9c97...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:54.161469ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079291/publication.md
observed 4fb20c7cbadf74fb4d96a1804b41426c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:54.142940ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079291/publication.txt
observed 545a26ebfa79986d70d758bee8d60aba...
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.