OpenTechnical

OT-2026-000078211

Publication integrity record

Two cup vacuum gripper, two zone face, four outlet manifold, three stage ejector, 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-2026-000078211) never changes.

Identity and time

Publication numberOT-2026-000078211 · never reused
Internal UUID01a0ae95-7c26-7963-8b0e-30e6e923f477 · 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-2026-000078211
StatusPUBLIC

Content hashes

Canonical textb0926dde9fafa34820317d8c416019f2c954f1c8fff79baa54fbc32071fcc6ca
Markdown27f92b6631051377db30645b62da7e338feade32e7d6e96c11f2e5c1c17a46cf
PDF
Publication pageecb9e0b27e05d2d2f0c83800ce7e91000a1705ec7d0c8f44613ac0d76b4e7a7a
Manifest2db8e77029d2c63b12163b75fc06798bdc6005f5e991db7a6c76b489af1dc305

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
Signature53qoNe64G51sJ+5r3+thvJdLQ1Y8DaztYvl1RxY0IO6WorHjXH49eNe5qqMtY3WYGPErVa6Z1gUXWUdc5pblAA==
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

2026-09-17T10:06:09.483097ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078211
observed ecb9e0b27e05d2d2f0c83800ce7e9100...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:09.466032ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078211/manifest.json
observed 2db8e77029d2c63b12163b75fc06798b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:09.446879ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078211/publication.md
observed 27f92b6631051377db30645b62da7e33...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:09.427139ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078211/publication.txt
observed b0926dde9fafa34820317d8c416019f2...
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.