OpenTechnical

OT-2026-000070302

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, 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-2026-000070302) never changes.

Identity and time

Publication numberOT-2026-000070302 · never reused
Internal UUID01a0ae91-545e-7fc6-bedd-8aa6bc2162d5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:35.055348Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070302
StatusPUBLIC

Content hashes

Canonical text9702688448215a585905b19099f7a87f4c2c57d88c7c69ab877f5098bf130c8e
Markdown37810df2bae18869a5998e681bd3e20a75228cdec0e1894cc005706fe5b162fb
PDF
Publication pagee6f6acca47156477f9760c072683bdb829d4e6d4982ac516401059cfe87bad90
Manifest35a36ae59b052d462fa0bc71f5639cfcf129396cb17d0ac8b094dbd023ae1447

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
Signaturenop4Q3MTSJIz4FMwyQTxB9gJ2i/iGThc9vK9yxDHDf3twp/D54jPL3hbRieBbNIXSizNVZ7yTE5z35OkEZHiBw==
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

2026-09-17T10:26:05.326525ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070302
observed e6f6acca47156477f9760c072683bdb8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:05.311643ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070302/manifest.json
observed 35a36ae59b052d462fa0bc71f5639cfc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:05.295171ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070302/publication.md
observed 37810df2bae18869a5998e681bd3e20a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:05.278726ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070302/publication.txt
observed 9702688448215a585905b19099f7a87f...
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.