OpenTechnical

OT-2026-000042962

Publication integrity record

Four pad foam vacuum gripper, four 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-2026-000042962) never changes.

Identity and time

Publication numberOT-2026-000042962 · never reused
Internal UUID01a0ae7b-3277-7c63-9157-1bcc3f6bf887 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:24.717423Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042962
StatusPUBLIC

Content hashes

Canonical texta30c7e9f173721a539832dff4b98f99f42a133f4c2048626d0e28be717f9042f
Markdowne2bcca503a29ac13e9f147910ff05dc1efe495f9e6b61bfa58ec8be89e7cee1c
PDF
Publication pagedd38088ef408380b20c608c754cffdf09b6ae1151dee0a162503d840497d09a7
Manifestd68b935a2d6ade781518cd04e01e086bd982cf985619b65e053bbf738be960cd

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
SignaturesCo6743bGHEiyj8IbXY2ll4HAIAJPiY3DVpr5S5XeuStCc/cmF7oyYJqPbg8GD8oiS/AuZSR/ngSGHf19ZlSCA==
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

2026-09-17T11:13:15.425269ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042962
observed dd38088ef408380b20c608c754cffdf0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:15.406942ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042962/manifest.json
observed d68b935a2d6ade781518cd04e01e086b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:15.388620ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042962/publication.md
observed e2bcca503a29ac13e9f147910ff05dc1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:15.370977ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042962/publication.txt
observed a30c7e9f173721a539832dff4b98f99f...
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.