OpenTechnical

OT-2026-000024145

Publication integrity record

Four cup vacuum gripper, four outlet manifold, three 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-2026-000024145) never changes.

Identity and time

Publication numberOT-2026-000024145 · never reused
Internal UUID01a0ae70-e8c7-7653-b3aa-cca1cf74dbab · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:10.360874Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000024145
StatusPUBLIC

Content hashes

Canonical textdca3dc108350e1ab3a018ec550dd731d6e131541e78ba75d64ddcb78758d128b
Markdownb70bcb17888810c3f9a371318e76349c8be199778762b69eadf9fe0dd8091356
PDF
Publication page74231e02b39e31dd3ba679b798171f4bdfa40e1733744e93eb678bac766cae78
Manifest3ae1d1d018d7252f73e08994657d2e9612b1766a6eaaa8c8572f6a45bcf0e895

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
SignaturePQ2W5itduheqkcunqlm8ZMH7DRVuuiKeebPeluZvEQ31apP/EVrB3ss+hw+uGeD82KcntGZXPHn5lE7oxrmZAw==
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

2026-09-17T11:48:34.710978ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024145
observed 74231e02b39e31dd3ba679b798171f4b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:34.694202ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024145/manifest.json
observed 3ae1d1d018d7252f73e08994657d2e96...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:34.678580ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024145/publication.md
observed b70bcb17888810c3f9a371318e76349c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:34.663327ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024145/publication.txt
observed dca3dc108350e1ab3a018ec550dd731d...
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.