OpenTechnical

OT-2026-000046312

Publication integrity record

Single bellows cup vacuum gripper, two 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-2026-000046312) never changes.

Identity and time

Publication numberOT-2026-000046312 · never reused
Internal UUID01a0ae7e-57cb-7ec3-b1ad-fea64210cd77 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:31:51.003526Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000046312
StatusPUBLIC

Content hashes

Canonical texta700b11574799593362e3fd1438117868e3f5567bd0584cd1be89297f7114760
Markdowna06755eae8ae95aa12d29a056fef84d81db63c88582bb9ef2cda91081e15bd4c
PDF
Publication page5d3b9ae0c50a3fb5c4eec1df970fb546cc4a4e6c689cf7554ece1ee01e9b6ef9
Manifest9e9ef2daaf0910c3d06c562afca5a591ce3f999564e38806b91a6672eca90aee

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
SignaturevpVkvO4XwhNF5xsmWNuIMm/8KEOZ6C/Ey3tpV2THbQdhEa4/Y5QtTBsQUtg/1hgxf1YTDOszffXeC9xQB2kNDw==
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

2026-09-17T11:08:17.248032ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046312
observed 5d3b9ae0c50a3fb5c4eec1df970fb546...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:17.227667ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046312/manifest.json
observed 9e9ef2daaf0910c3d06c562afca5a591...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:17.207502ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046312/publication.md
observed a06755eae8ae95aa12d29a056fef84d8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:17.187729ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046312/publication.txt
observed a700b11574799593362e3fd143811786...
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.