OpenTechnical

OT-2026-000078417

Publication integrity record

Three cup vacuum gripper, three zone face, four outlet manifold, three stage ejector, pressure sensor per zone, 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-2026-000078417) never changes.

Identity and time

Publication numberOT-2026-000078417 · never reused
Internal UUID01a0ae95-7c28-75c5-b0c6-2b4563a20495 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:07.483031Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078417
StatusPUBLIC

Content hashes

Canonical texteefd6725f81ca520e1544f0b0d86ee7d3f120ac74a4a022c59a5d2436c46cf30
Markdown5d3ae4dd27405438d9fb9c2b968126b23ec2c8c7feb03677b2c3b5a7be64e2d9
PDF
Publication page876e2bb856f710809f1f81b7183c35b52e0e35de4970b927ada95b2ffc245126
Manifest94d205f2228e07c02304e8b5706b715580334b5c760e3f3a454be733928a250f

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
Signatureg4/cSg4Vj102MwKnZmB7Ows+jD3S28uFk//8c41IZoUUv4cnciijhZ2pWbe4aeTUVmBNb8Il8FBSbR9uKwPyDA==
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

2026-09-17T10:06:24.640178ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078417
observed 876e2bb856f710809f1f81b7183c35b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:24.621763ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078417/manifest.json
observed 94d205f2228e07c02304e8b5706b7155...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:24.603429ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078417/publication.md
observed 5d3ae4dd27405438d9fb9c2b968126b2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:24.564269ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078417/publication.txt
observed eefd6725f81ca520e1544f0b0d86ee7d...
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.