OpenTechnical

OT-2026-000044931

Publication integrity record

Four cup vacuum gripper, four zone face, six outlet manifold, pump fed, manifold pressure sensor, 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-2026-000044931) never changes.

Identity and time

Publication numberOT-2026-000044931 · never reused
Internal UUID01a0ae7c-911c-7cf6-8c83-36f9122fafd8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:54.474009Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044931
StatusPUBLIC

Content hashes

Canonical text4220fc800ed241748563f0b7165bcad6a0aaf16de96eedeec2184208b58c8ad9
Markdownea98996b1fe7b93e8af2963816fb37afcac5199a5907cb4c46f93226e9374b88
PDF
Publication pagec1937cba9707a7eba33df0308136ef7750bb8c2eee3ac58ff0f8d05c62f6a61f
Manifest06b2c27c34b966eae04b5e5874df51ab3ec3f92126fd8ec3261974edd2bedf6c

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
SignatureVoKY8qPKrRiLQddO9rvN6ezbwe0YYH/8x8C/U7a9GfwfFr383le3f3ffB8Zr9Hadj+RJhyMd26+dRmZoIxm5BA==
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

2026-09-17T11:11:36.345608ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044931
observed c1937cba9707a7eba33df0308136ef77...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:36.327141ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044931/manifest.json
observed 06b2c27c34b966eae04b5e5874df51ab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:36.310024ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044931/publication.md
observed ea98996b1fe7b93e8af2963816fb37af...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:36.292510ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044931/publication.txt
observed 4220fc800ed241748563f0b7165bcad6...
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.