OpenTechnical

OT-2026-000012411

Publication integrity record

Foam pad vacuum gripper, three zone face, pump fed, pulsed 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-2026-000012411) never changes.

Identity and time

Publication numberOT-2026-000012411 · never reused
Internal UUID01a0ae6d-39f6-770a-b80c-f3e4542b0a6c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:08.998406Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012411
StatusPUBLIC

Content hashes

Canonical texta20afda470c6c6a8477f8ed07e7d9f4c019a5b612d87767926ed3ed6ebaa07c1
Markdown6063577b71b7967757229095c39dc60c380c9a8f88c0df340fa25f15e0cce07e
PDF
Publication page056a5262b249a1b1ed1064c2055bc94d2bde204de0b9809f6819d5f5fbed5b60
Manifestdb5638e6dac28dc0132ee517357a01f72964f154322c27205ff7104e6bfd3795

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
Signaturerw4gN74YZw/3yRcWbAYN+AVJP8eUizXXpEwn96DKPgQhniyzgXlO+IAuiPbAXdNx+s5httSaQy5/CMkd1v/nDg==
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

2026-09-17T12:11:54.323979ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012411
observed 056a5262b249a1b1ed1064c2055bc94d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:54.307912ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012411/manifest.json
observed db5638e6dac28dc0132ee517357a01f7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:54.290679ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012411/publication.md
observed 6063577b71b7967757229095c39dc60c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:54.273930ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012411/publication.txt
observed a20afda470c6c6a8477f8ed07e7d9f4c...
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.