OpenTechnical

OT-2026-000014047

Publication integrity record

Foam pad vacuum gripper, four zone face, per zone isolation, 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-2026-000014047) never changes.

Identity and time

Publication numberOT-2026-000014047 · never reused
Internal UUID01a0ae6d-8deb-7ccf-8aec-db9e166b000b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:30.489074Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000014047
StatusPUBLIC

Content hashes

Canonical text5e38b17756de559a54de77a3529e6801956d19e31bd6aaa71ccc3690f7b4289c
Markdowne45bcd51cb476ae162aa500231cc2c411d59414ef497497d7ab935192283672f
PDF
Publication pagea17e9cbeacb04dd32374bf4c53b19470f360086ecbf01bad2904847003d22088
Manifest09a431db68929f3ba842cf150da3a0a9d5875b9a875b23bd9813df81bb933b7d

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
SignatureuiiWP2fDl0RTh/Ol1gdh8gdeRzuchacGrrlyf+ZtnhgwU1cjxR134tdaknbhI9OgD4pT6IRF0h4L/Jvt5l23DQ==
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

2026-09-17T12:09:17.033414ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014047
observed a17e9cbeacb04dd32374bf4c53b19470...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:17.013029ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014047/manifest.json
observed 09a431db68929f3ba842cf150da3a0a9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:16.994537ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014047/publication.md
observed e45bcd51cb476ae162aa500231cc2c41...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:16.974002ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014047/publication.txt
observed 5e38b17756de559a54de77a3529e6801...
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.