OpenTechnical

OT-2026-000071156

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, two stage ejector, vented 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-2026-000071156) never changes.

Identity and time

Publication numberOT-2026-000071156 · never reused
Internal UUID01a0ae91-e0eb-70b9-8e9d-7a6ac231f1cf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:11.039722Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071156
StatusPUBLIC

Content hashes

Canonical texte03ac4538d01513ebf9a8803f6e53750377afe8dd79ad7fe3eda35c7eca9dc44
Markdown578c2271faa5b739749def86fa3da31dee2ca2a468f7afd51049de3a96dea2b6
PDF
Publication page4514522fd4d2c83dc165e74cca3fe116efa483a56d83aefd0ab0050366bd3949
Manifest1443332811aa461a3d911b042bae8763015f4683c5fdc465b75c4f14b26f9a25

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
SignatureJj2tSF1NxWz4APXXOOyjqg7gSa7qxrlmJUVu3hcKDptkoSC1J9qyoN9YwdP2ZE3bmMp8c9+ukAf6d7FMixP/Bg==
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

2026-09-17T10:24:39.741108ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071156
observed 4514522fd4d2c83dc165e74cca3fe116...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:39.723189ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071156/manifest.json
observed 1443332811aa461a3d911b042bae8763...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:39.705533ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071156/publication.md
observed 578c2271faa5b739749def86fa3da31d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:39.687615ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071156/publication.txt
observed e03ac4538d01513ebf9a8803f6e53750...
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.