OpenTechnical

OT-2026-000079261

Publication integrity record

Four bellows 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-2026-000079261) never changes.

Identity and time

Publication numberOT-2026-000079261 · never reused
Internal UUID01a0ae96-0b90-7a85-9a26-d00af8f015ff · 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-2026-000079261
StatusPUBLIC

Content hashes

Canonical text8ef19dc9cccd785af972bf44a6ee378b5c131188d5a99dc963a89401edf0d190
Markdown07e91045337e4e5787165d32daf36d7719e3fe55e8eaf484b7b0ba2ba59a477a
PDF
Publication page77151ed77218ca86a2cd2447f2653f02f83851a60e79fdf37c5320025d453c28
Manifest0aa2898dba091acd2ec8d4258194c27169b5b988f09f6c8485a0946fb7924e1a

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
Signature1ehks9dSw+oYBMoxd3N9DcZGa3VcqKBMyb7zi6k8xGCJx8K9EDbchJVnf9xBt8nkClcGF85XR0mD6L88w89sBA==
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

2026-09-17T10:04:51.613386ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079261
observed 77151ed77218ca86a2cd2447f2653f02...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:51.596951ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079261/manifest.json
observed 0aa2898dba091acd2ec8d4258194c271...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:51.572983ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079261/publication.md
observed 07e91045337e4e5787165d32daf36d77...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:51.465101ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079261/publication.txt
observed 8ef19dc9cccd785af972bf44a6ee378b...
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.