OpenTechnical

OT-2026-000030895

Publication integrity record

Three cup vacuum gripper, three zone face, three outlet manifold, single stage ejector, 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-2026-000030895) never changes.

Identity and time

Publication numberOT-2026-000030895 · never reused
Internal UUID01a0ae74-3fb6-71bd-b23f-211ea735ae8c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:49.275361Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030895
StatusPUBLIC

Content hashes

Canonical textfa20b8d528f108a3d0614e61f537d2874fdb53ddfdc9ef8350410475b4a7220d
Markdown742c8845da610acdaf3f7e716a68ccc819ac1f1360c0826c37fa8fe5d6038641
PDF
Publication pageef99ec973dde4b7463f89331f11ebf33240865b11254f32b4c9072313e405569
Manifestba48b38350ce56c6ca54532c27098b3623d85571c8cc601ec8f47c4dcd930759

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
SignatureDXwO3TVpfdbOGdXEEDvNgCAGNb/CGTCqDI4E/M+d2wotJiDcWkFpWq1rST9dVWbsbW2q04y7z12GYpzv1XpMAQ==
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

2026-09-17T11:36:52.788674ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030895
observed ef99ec973dde4b7463f89331f11ebf33...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:52.772195ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030895/manifest.json
observed ba48b38350ce56c6ca54532c27098b36...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:52.749482ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030895/publication.md
observed 742c8845da610acdaf3f7e716a68ccc8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:52.732185ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030895/publication.txt
observed fa20b8d528f108a3d0614e61f537d287...
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.