OpenTechnical

OT-2026-000018455

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, plant vacuum 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-2026-000018455) never changes.

Identity and time

Publication numberOT-2026-000018455 · never reused
Internal UUID01a0ae6e-b48a-7d89-9054-aa32d2582772 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:45.971508Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018455
StatusPUBLIC

Content hashes

Canonical text8a467307068b14164e3b4fc8350d6329a5bd44132b2f19d5bdf50ef43e9561a8
Markdown3032f3bd95fea4af5434285585defbfdf5100e097b5214d8d07e7babd200eed9
PDF
Publication pagee4f5415d90c362d786afea0a4a658acfaa0bc7bd6a76a5099903f09bf62d8932
Manifestc77ce48248865b586c568745dd0aa5da20fdb4c5dce1ab8207669dd6e6527bba

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
SignatureLPYvMIArlTZU8D2IzfZQkSbLBwOER8bVnTrttPglX+Xob+diTkzBnp8xNrGzJwInpFSWWRsirFQ+eI4E5+NxCA==
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

2026-09-17T12:01:12.899218ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018455
observed e4f5415d90c362d786afea0a4a658acf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:12.882047ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018455/manifest.json
observed c77ce48248865b586c568745dd0aa5da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:12.862794ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018455/publication.md
observed 3032f3bd95fea4af5434285585defbfd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:12.828978ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018455/publication.txt
observed 8a467307068b14164e3b4fc8350d6329...
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.