OpenTechnical

OT-2026-000068081

Publication integrity record

Two cup vacuum gripper, two zone face, three 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-2026-000068081) never changes.

Identity and time

Publication numberOT-2026-000068081 · never reused
Internal UUID01a0ae8f-c4fe-7d43-85ea-1c466c464c55 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:52.812402Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068081
StatusPUBLIC

Content hashes

Canonical textddbc1ff07914b4d4fcb5d1f60d36beb1b231cb823a28a5685f0d909f9d34157c
Markdown2463d39c5bb588ee24257bcf6acc359d60cd9b469d549bcde90cb49f24744927
PDF
Publication page3a1036f8815b79485193ff9a2cbd02c27b7496fe1fa3343dc95197554f3deae7
Manifest8e41153a90f8a546a738c6f6a9ffe90da5e68ca3baa3f767357945d472dda8f1

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
SignatureSiEeFSnHxK5KGMwxDR/uMZaQjVo/LbHe4lplIXj2suFNrfJOWWx3XdYjpTMpVZ+VQg4PKyENIRy01DOEEq7sCA==
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

2026-09-17T10:30:40.378060ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068081
observed 3a1036f8815b79485193ff9a2cbd02c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:40.362048ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068081/manifest.json
observed 8e41153a90f8a546a738c6f6a9ffe90d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:40.345208ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068081/publication.md
observed 2463d39c5bb588ee24257bcf6acc359d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:40.328568ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068081/publication.txt
observed ddbc1ff07914b4d4fcb5d1f60d36beb1...
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.