OpenTechnical

OT-2026-000025903

Publication integrity record

Three cup vacuum gripper, three zone face, six 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-2026-000025903) never changes.

Identity and time

Publication numberOT-2026-000025903 · never reused
Internal UUID01a0ae71-a83f-77d4-a4fe-b8055e4b4a58 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:59.376802Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025903
StatusPUBLIC

Content hashes

Canonical text51f5d84f14eb78a73cee1dc3262fbcb605cf1b28d64923a2587bc0144067479d
Markdown1f24e5f4dda6e9bdb6bec40b79e62f13ad73ece534e6ea60d81d166d32f53f94
PDF
Publication page3f2a40911162d75a361ad60b13703aafa31e0d4097d44259ce1d0c785d0f1e02
Manifestd4c41f181c08ae3e123f02fd125b7fbe2dece98970857a8e663cc99ddf95bd24

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
SignaturejWQQ6c6uVGTW1eW8jvT170zUqHXh91eK5FvcRBfLkVSMoszs14ZUxzw7YAeRiZpcc6kXrGMIcNjku9iDp/afCQ==
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

2026-09-17T11:46:15.037369ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025903
observed 3f2a40911162d75a361ad60b13703aaf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:15.021114ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025903/manifest.json
observed d4c41f181c08ae3e123f02fd125b7fbe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:15.004673ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025903/publication.md
observed 1f24e5f4dda6e9bdb6bec40b79e62f13...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:14.987308ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025903/publication.txt
observed 51f5d84f14eb78a73cee1dc3262fbcb6...
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.