OpenTechnical

OT-2026-000023989

Publication integrity record

Three cup vacuum gripper, three outlet manifold, single stage ejector, sustained 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-2026-000023989) never changes.

Identity and time

Publication numberOT-2026-000023989 · never reused
Internal UUID01a0ae70-aed7-707c-80c9-d15db2c80e81 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:55.528856Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023989
StatusPUBLIC

Content hashes

Canonical texta14c60858b89cb826893e19c7c347f06ff9835658f5e0153903ef0d4aed8323d
Markdown8ecd131bc50c767dcc085b8287fee54c273e697123dba247ae25ca8c4b9cda5d
PDF
Publication page2c0e00320827d720353225d4a1716d70eb261b33b5762ddd06558b254cda04d3
Manifest8599a3f66d2cce4e445d8264d20d451a11138e0a45862d12ef63605fe67b25de

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
SignatureH4CY2FHMrHIzpWX5jPvNeC09D81vGu8tSu1DLKmWaZWq7ot9AIVOQFRxYjK9cIFSNWlbvxI8zXe6GlE126L2Aw==
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

2026-09-17T11:50:45.616633ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023989
observed 2c0e00320827d720353225d4a1716d70...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:45.595763ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023989/manifest.json
observed 8599a3f66d2cce4e445d8264d20d451a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:45.565313ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023989/publication.md
observed 8ecd131bc50c767dcc085b8287fee54c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:45.530950ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023989/publication.txt
observed a14c60858b89cb826893e19c7c347f06...
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.