OpenTechnical

OT-2026-000007551

Publication integrity record

Foam pad vacuum gripper, single 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-2026-000007551) never changes.

Identity and time

Publication numberOT-2026-000007551 · never reused
Internal UUID01a0ae62-4df6-76d8-8e1b-251e018bdfb1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:01:13.261569Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007551
StatusPUBLIC

Content hashes

Canonical text49001295b21b4460f2454ae1452d01060ce938eaa06dbdc44ee4caba9360b544
Markdown8fc31354e13f1330dbcee030cec1edb9bdecd130b0e6e31bb25c44f06a2f1743
PDF
Publication pagea117ff47fab92761c20648e2ee0a4fa51624c07a9d168858b827858ee41bb600
Manifest49b064ed95767d18028bf0573d36f3dc76c6cdd5d40121d58114c3a50fac0863

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
SignaturevpG36ywq/4kwkgtUnG3h0EP/6MQ0TPkLuPhuWIAQK/wF7dxA/yTmshkrzhwwIcI1tRVfl7i3gT8ZlH6gnj1cBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:07:02Z
batch OT-TS-2026-W38-016 · RFC 3161 token · inclusion proof
root 8d90bf9341d96baa4328c218b6f85281...

Independent retrieval

2026-09-17T08:10:23.742165ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007551
observed a117ff47fab92761c20648e2ee0a4fa5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:23.723940ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007551/manifest.json
observed 49b064ed95767d18028bf0573d36f3dc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:23.704340ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007551/publication.md
observed 8fc31354e13f1330dbcee030cec1edb9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:23.682321ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007551/publication.txt
observed 49001295b21b4460f2454ae1452d0106...
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.