OpenTechnical

OT-2026-000103583

Publication integrity record

Four bellows cup vacuum gripper, four zone face, single 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-2026-000103583) never changes.

Identity and time

Publication numberOT-2026-000103583 · never reused
Internal UUID01a0aea4-e461-7624-84c8-d02935f5b886 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:57.105586Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103583
StatusPUBLIC

Content hashes

Canonical text424e5019ec2125c1771de5cc9832d83567644bf08233789732aadf1299ece4e2
Markdown6d9e5fe16811af7d30acb276825ee649eacdc02e8b728b05c08136618f1d37c8
PDF
Publication page2dcf07de38d3161a8af5563f7d8e345158a7d481a043da5a1e6ff590c55b9fff
Manifestb7ae528c90079ca965159c3924cf3fdce1f01072f5567278e357d0460508036a

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
SignatureNNCuF5WSlB/FQzknxreIMQ59v0cRrveS+sP8EBC4Mmhk1i7XS054WQdeO/4Q1i1IqN5k3NViB2XGHhKgu2+pAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:22:22.119266ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103583
observed 2dcf07de38d3161a8af5563f7d8e3451...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:22.103045ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103583/manifest.json
observed b7ae528c90079ca965159c3924cf3fdc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:22.084934ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103583/publication.md
observed 6d9e5fe16811af7d30acb276825ee649...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:22.069708ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103583/publication.txt
observed 424e5019ec2125c1771de5cc9832d835...
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.