OpenTechnical

OT-2026-000082845

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, plant vacuum fed, sustained 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-2026-000082845) never changes.

Identity and time

Publication numberOT-2026-000082845 · never reused
Internal UUID01a0ae97-8cc9-76b1-bd1e-8bc17975a94a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:22.827170Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000082845
StatusPUBLIC

Content hashes

Canonical textc8c33e026563a7c12c94feafe36f34090ff31e6ef92377455bddb86cb41cd79c
Markdown7dbbda37c9268655464c1731a2e1dd15d165ce3be23b2d5b020af3e0763e5115
PDF
Publication pageff9635708cc82cca36c2ce4ccbcdab53d2f13f6b79747ef5e761c650e70a5855
Manifest6dbbdb51875a899844deffbbad1b3170b5ad93b9b989b920bd29b96d82512317

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
SignatureosEv0aAKhEpuqsTY/1cJ5Zga99kNX0dOJpw2vOJXRrB/n1r7cSX4A2wAtsbvt+zwJV0MGeBh40kZIdJ/EIb+Cg==
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

2026-09-17T09:58:31.250130ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082845
observed ff9635708cc82cca36c2ce4ccbcdab53...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:31.231819ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082845/manifest.json
observed 6dbbdb51875a899844deffbbad1b3170...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:31.212008ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082845/publication.md
observed 7dbbda37c9268655464c1731a2e1dd15...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:31.193179ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082845/publication.txt
observed c8c33e026563a7c12c94feafe36f3409...
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.