OpenTechnical

OT-2026-000026007

Publication integrity record

Three cup vacuum gripper, three zone face, six outlet manifold, three 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-2026-000026007) never changes.

Identity and time

Publication numberOT-2026-000026007 · never reused
Internal UUID01a0ae71-a83f-79bc-9a6b-23d51a43d7d3 · 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-2026-000026007
StatusPUBLIC

Content hashes

Canonical text8327a60f422aa4f1fe44bce35424491fb45358def89440be5670cd30ded680aa
Markdowndabc2c7ab5bda24d195fd4119428d31ec9bd630c7ec22dfb368c13349a5d86b8
PDF
Publication page4c6b3b7d3e7bb182189dd7d764515a530d5654834eb6f32a8e3c7911a3c4066a
Manifestce4f84a36f033f15e165866e532e793b2d43f5b6c53cb8ab53fc127d4d713c1d

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
SignatureCL8YsPhuDBSExAcp3mWOIoQPM323kHlcnp7qzAJylcTHWIT6mzc6qZ8UJqGQfYGr7W61YGnMRh9pumVF+CJoCQ==
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

2026-09-17T11:46:23.120123ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026007
observed 4c6b3b7d3e7bb182189dd7d764515a53...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:23.103159ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026007/manifest.json
observed ce4f84a36f033f15e165866e532e793b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:23.087691ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026007/publication.md
observed dabc2c7ab5bda24d195fd4119428d31e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:23.070290ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026007/publication.txt
observed 8327a60f422aa4f1fe44bce35424491f...
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.