OpenTechnical

OT-2026-000032428

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, three stage ejector, supply line pressure sensor, sustained blow-off 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-2026-000032428) never changes.

Identity and time

Publication numberOT-2026-000032428 · never reused
Internal UUID01a0ae75-106e-7c2e-9d1e-60c5b1cf6487 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:42.658092Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032428
StatusPUBLIC

Content hashes

Canonical text6a158993789f5b1b45324114e6f740afa238c175e9c896718b1cf071f48ca7aa
Markdown8ae46ca7000b0f8ac3bb3670071b08e0561cf321ce12ceaa7d6dcac49f831604
PDF
Publication page3eb744861cdfbac605bc213812310824c16002879108dc110ebc1d7682814808
Manifest14ceb345fee5960703b303a1242477857506de5eb507615453af81371be7dc59

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
SignatureOCkTZekluYaVVBWhP1ZGgFBk7U5/sQvrb879/5rFjytILFfcNquG4ky/pKKnV05Yn+mzgDdtrWd99i5hI2ZRAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:33:50.953711ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032428
observed 3eb744861cdfbac605bc213812310824...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:33:50.935547ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032428/manifest.json
observed 14ceb345fee5960703b303a124247785...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:33:50.918089ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032428/publication.md
observed 8ae46ca7000b0f8ac3bb3670071b08e0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:33:50.900740ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032428/publication.txt
observed 6a158993789f5b1b45324114e6f740af...
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.