OpenTechnical

OT-2026-000033830

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, three stage ejector, 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-2026-000033830) never changes.

Identity and time

Publication numberOT-2026-000033830 · never reused
Internal UUID01a0ae75-a391-7435-ae14-a13134fea6f2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:20.325649Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033830
StatusPUBLIC

Content hashes

Canonical text83a1e6087a82c8a071f5bfd02c1d2518ab78b6c216a15b80d90ce4dc539b1fb3
Markdowne5247aa67877b510587fd93ca1d76c50eaac1d23a276ab47b2d38df7d6ffa80e
PDF
Publication page1db923eb9c2c6a4a932324c394a5620faca4b7dc64c5fa4c75252f5caea9556a
Manifest7fa7b65ca30fcecfdeb0c670639c8e4e05152632a3704bdaf85699146c903900

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
SignatureVIXDiiNfiNnVdI+OPtSDR4+OvN4zH3tDnNdiPnwvB04ebqlWGwZZdWMIcoHddirsW+zaCLO/ugsav3Gjy52bBQ==
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

2026-09-17T11:31:52.996577ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033830
observed 1db923eb9c2c6a4a932324c394a5620f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:52.977923ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033830/manifest.json
observed 7fa7b65ca30fcecfdeb0c670639c8e4e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:52.958668ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033830/publication.md
observed e5247aa67877b510587fd93ca1d76c50...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:52.939298ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033830/publication.txt
observed 83a1e6087a82c8a071f5bfd02c1d2518...
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.