OpenTechnical

OT-2026-000067288

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, manifold pressure sensor, sustained blow-off 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-2026-000067288) never changes.

Identity and time

Publication numberOT-2026-000067288 · never reused
Internal UUID01a0ae8f-6bd6-7970-afca-f4550b632ec7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:29.998864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067288
StatusPUBLIC

Content hashes

Canonical textf31c209c199437f1a8ad4b01e8882513c0d54a07b353be46f497bb5949fc7ca2
Markdowne3343cbd43bb069f0f73d3294961fe6afd1e2df1a6dd722004cbb3372d422f8c
PDF
Publication page7c9edb19e1f1dcd20ea4708440ba8d5a8c20d80c71627e560d02ed10b7a2f9a9
Manifest2939c80dc534c806a755d90a121d2944ae6b3efa253c4373e7267818c9d9331d

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
Signaturema22USGwvjtu1FClaBTOzgnleRPkhCT5UtGF0/dlXJq+KFIdjE7C37SRRCD6JdEu2I8SF8DNREAUcZOaRTZuCQ==
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

2026-09-17T10:30:58.380526ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067288
observed 7c9edb19e1f1dcd20ea4708440ba8d5a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:58.362748ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067288/manifest.json
observed 2939c80dc534c806a755d90a121d2944...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:58.343332ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067288/publication.md
observed e3343cbd43bb069f0f73d3294961fe6a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:58.323217ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067288/publication.txt
observed f31c209c199437f1a8ad4b01e8882513...
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.