OpenTechnical

OT-2026-000039317

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, pulsed blow-off after 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-2026-000039317) never changes.

Identity and time

Publication numberOT-2026-000039317 · never reused
Internal UUID01a0ae78-9674-7264-9f3c-8dc46e35e23e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:33.573712Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039317
StatusPUBLIC

Content hashes

Canonical text1e100d20da503a699dfffb3b43d5f2231f9aab578c9d25b53835284cab8d3c1d
Markdown86cb9e012d389207dc0c69ac59c0cecff55f164a0413a877c570505d356680de
PDF
Publication pageee06ee54af49554ba72aab90b927dc789afe60fea53555ce4e8b4abdcf2953e0
Manifest43c2edda1f98763010983c8f79e4b9a239c3971b377d8e1cbb63b8c68976b121

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
SignaturemoGgixlOvximTWFXPH9QDl5U3MraQ1AU7AvdjNj+15oUnW15DNf4zmoKcKZsJkLlGJe3SoaT8ZvV6BuFBbCwAA==
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

2026-09-17T11:20:54.727831ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039317
observed ee06ee54af49554ba72aab90b927dc78...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:54.709316ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039317/manifest.json
observed 43c2edda1f98763010983c8f79e4b9a2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:54.690677ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039317/publication.md
observed 86cb9e012d389207dc0c69ac59c0cecf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:54.672784ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039317/publication.txt
observed 1e100d20da503a699dfffb3b43d5f223...
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.