OpenTechnical

OT-2026-000076692

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, pump fed, manifold pressure sensor, vented before set-down

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-2026-000076692) never changes.

Identity and time

Publication numberOT-2026-000076692 · never reused
Internal UUID01a0ae94-b06f-7ec1-8945-7458e05e7d4d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:15.236414Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076692
StatusPUBLIC

Content hashes

Canonical text0d84bee25f14ff1bac0d4a630665d917407197495a7163b6b09f7af12279c806
Markdownd3e3238fc1b3d7d92ba590810595daf4ca8312ac37d428594918fcf43021a552
PDF
Publication page3765159ac4bd43871ff07b05e8a0ccb5633890fad5ebf7c20dfbad92e0ce422b
Manifest86f915961daaabaae0829f6012bd6667a5a6d3604529483397499f15c5a9089d

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
SignaturecApoFxFQTC6w/nH6mDdVCjD3KAr/nJq/OxCpzsD2SvQ+Dxk0oTa4F3vy2KW461qs6LjSIHJgvCsXG9wkMoGMCA==
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

2026-09-17T10:09:26.616764ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076692
observed 3765159ac4bd43871ff07b05e8a0ccb5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:26.594845ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076692/manifest.json
observed 86f915961daaabaae0829f6012bd6667...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:26.577622ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076692/publication.md
observed d3e3238fc1b3d7d92ba590810595daf4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:26.560497ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076692/publication.txt
observed 0d84bee25f14ff1bac0d4a630665d917...
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.