OpenTechnical

OT-2026-000027023

Publication integrity record

Two cup vacuum gripper, two zone face, three stage ejector, 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-2026-000027023) never changes.

Identity and time

Publication numberOT-2026-000027023 · never reused
Internal UUID01a0ae72-3453-75b1-919c-a88d6cfd558a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:35.358864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027023
StatusPUBLIC

Content hashes

Canonical text3659d7778aedf8cb937dab5e294b6f0744aa3dda7322d0f4bdf67afcfd10dd16
Markdown046226191b7385874da4ca1411104ab2a90810e604906e1363555eb45afa9fb5
PDF
Publication page1b5c8f47265296abd98d80f0cc23f3e9cb340aa81648c651725af28b6458ec8d
Manifest41363e19579e845736ad4ffe3b07bcfd2ac359be251843451d9772f3f9fffe32

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
SignaturetZiV8hnZsQlIbyFOeMT/s351RLcTyosehkU7SJllS3cCZ3aZRCMZG5n4PoNVJElJFwA9zHGLITtu2DucNgHzCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:43:46.475386ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027023
observed 1b5c8f47265296abd98d80f0cc23f3e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:46.457228ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027023/manifest.json
observed 41363e19579e845736ad4ffe3b07bcfd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:46.440643ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027023/publication.md
observed 046226191b7385874da4ca1411104ab2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:46.421982ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027023/publication.txt
observed 3659d7778aedf8cb937dab5e294b6f07...
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.