OpenTechnical

OT-2026-000039838

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, three stage ejector, supply line pressure sensor, pulsed 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-2026-000039838) never changes.

Identity and time

Publication numberOT-2026-000039838 · never reused
Internal UUID01a0ae78-d8d6-76ff-b1b4-40e678aa279e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:50.683051Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039838
StatusPUBLIC

Content hashes

Canonical text1f2440d9cd4ceab8d91830d2ff53a9fe231340d1e32a26e0e474db027ac377f3
Markdown7068f4a792c65306a541d3cd5f087af608103c1b4983307cc2e474a7269a92da
PDF
Publication page7c941d58c31a6fc67526171932a8a19e5a95a782bf6eabb6dc539f8c6b90a74a
Manifestc57c6b52b15576aebf1823fffc05847997bce0f9cdb21d7a617ed30b069b7f35

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
SignatureoHDhTGErgWPrFsyewcuz6py187mnIJo5Rfk+1FH7n+vp1btET8V69W/mvjAl6XmuWZwSbX0CwksMnipHcRk3Dw==
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

2026-09-17T11:20:04.897994ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039838
observed 7c941d58c31a6fc67526171932a8a19e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:04.881447ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039838/manifest.json
observed c57c6b52b15576aebf1823fffc058479...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:04.865174ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039838/publication.md
observed 7068f4a792c65306a541d3cd5f087af6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:04.845864ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039838/publication.txt
observed 1f2440d9cd4ceab8d91830d2ff53a9fe...
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.