OpenTechnical

OT-2026-000059420

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, three stage ejector, 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-2026-000059420) never changes.

Identity and time

Publication numberOT-2026-000059420 · never reused
Internal UUID01a0ae89-8617-7719-a366-fa5e74ab2e6f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:44:03.500379Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000059420
StatusPUBLIC

Content hashes

Canonical text29c2d84b28e55c343cde43d2c7e9fd5ab60a3272e36b9db28355c71196b2c34e
Markdownbac9c5ad3aa171c367edd5801b977b41283e584eae38db3e85df3aeac26108db
PDF
Publication page683efff012820ea5271cb1be87ea870f581e029f98b6f7e0511bd48adc894c21
Manifest664911684c539122333865853da9a2334adae1db76264d1f1859923490722968

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
SignatureRtfD14N0WegVuNW05uY4WFEKZ2hcYPCzHhk3aWpLr+9aBaCPHXznRPhzZDmkKd4IonCwhzwwZiuSBApkJ76cAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:46:05.752779ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059420
observed 683efff012820ea5271cb1be87ea870f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:05.735253ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059420/manifest.json
observed 664911684c539122333865853da9a233...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:05.717622ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059420/publication.md
observed bac9c5ad3aa171c367edd5801b977b41...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:05.696714ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059420/publication.txt
observed 29c2d84b28e55c343cde43d2c7e9fd5a...
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.