OpenTechnical

OT-2026-000078860

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, three stage ejector, vented after 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-2026-000078860) never changes.

Identity and time

Publication numberOT-2026-000078860 · never reused
Internal UUID01a0ae95-ccbd-7db5-8716-d32ef895604a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:28.017032Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078860
StatusPUBLIC

Content hashes

Canonical textd3857f4d2a0fafa993aaa519741accb20b61641fa300c32f1699e3eb81443f3b
Markdown65eebc98d332f58b4226f2d304f8b4c43d01179126b5d49d227798cff0b17bab
PDF
Publication page9ada1c049ae8ad6907954477b16839f384df023075306eb35f635a3d6180aef8
Manifest62c47c368d96273e75d2e754ac6a43f4796e21aa294c9d0e6edb3c5e48b1f98b

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
Signatureu8N6lKJRUeEePiCA9VmOwzq2MFGJ6YYS7Lx83+x1nbBfuTi0X6qYd/9BYDen3SzqdmHUIU/oyifGWZ4v6qz5Bw==
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

2026-09-17T10:05:39.601981ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078860
observed 9ada1c049ae8ad6907954477b16839f3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:39.585372ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078860/manifest.json
observed 62c47c368d96273e75d2e754ac6a43f4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:39.566009ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078860/publication.md
observed 65eebc98d332f58b4226f2d304f8b4c4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:39.548576ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078860/publication.txt
observed d3857f4d2a0fafa993aaa519741accb2...
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.