OpenTechnical

OT-2026-000016231

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-2026-000016231) never changes.

Identity and time

Publication numberOT-2026-000016231 · never reused
Internal UUID01a0ae6e-2d11-7658-9bee-cf92a7502035 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:11.237946Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000016231
StatusPUBLIC

Content hashes

Canonical text1fa4eb553b7b4c66fd7d2c0d1d300dd462fc78d18ad93238d56e22ee9a28c0b1
Markdown073a3ebf52dced8de642df8c0dbe717d134aa9608ce88426181820e5b5160f7d
PDF
Publication page035648285f2e45e04ff2cf5a87622de15daaad2dad8505ab73951ab313089c22
Manifest2cc304bcca825acd32d26d34ee57b08f176dc2b12b72901976cc8179c6900e78

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
SignaturenqOiRdEyvg7gls9RO7EkHrlNjwwm4QvmHqQ1OaLHr9qcX9rnATNSnzu5Uvwv7zi/CVpY2hO/VRfgkKeV2vGHBQ==
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

2026-09-17T12:03:41.862198ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016231
observed 035648285f2e45e04ff2cf5a87622de1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:41.846087ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016231/manifest.json
observed 2cc304bcca825acd32d26d34ee57b08f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:41.829287ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016231/publication.md
observed 073a3ebf52dced8de642df8c0dbe717d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:41.811760ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016231/publication.txt
observed 1fa4eb553b7b4c66fd7d2c0d1d300dd4...
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.