OpenTechnical

OT-2026-000082623

Publication integrity record

Foam pad vacuum gripper, two zone face, six outlet manifold, pump fed, 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-2026-000082623) never changes.

Identity and time

Publication numberOT-2026-000082623 · never reused
Internal UUID01a0ae97-8cc8-76cf-b5cc-e0bc99e59a47 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:22.827170Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000082623
StatusPUBLIC

Content hashes

Canonical textc5a7cf3eb6e3b416310929a906f2ea89c6b55b368edc836f8186e72bdf909e02
Markdown8bc3f2fdca3ee4a7bfa160817ff593e1260dcd5bd0c5a94cf5cdfd15ba65628e
PDF
Publication page2da4a755097b67fb95456cbfdaa60c9ed7890cbb78fb6ea12bee77bb9fda9e51
Manifestf3ee894d92c55710ccabf5a7ee56912876e0a5465ead3cc76ee0b7231daac596

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
Signatured7kwW5nzE6FfzgFa4uJDeHk/12B59j8l8l7BSB/FwAwY+jk6emagTYcXc8hF7D6BrkTA67FdIXAb18plvsa3Cg==
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

2026-09-17T09:58:10.567596ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082623
observed 2da4a755097b67fb95456cbfdaa60c9e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:10.549519ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082623/manifest.json
observed f3ee894d92c55710ccabf5a7ee569128...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:10.523509ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082623/publication.md
observed 8bc3f2fdca3ee4a7bfa160817ff593e1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:10.382449ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082623/publication.txt
observed c5a7cf3eb6e3b416310929a906f2ea89...
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.