OpenTechnical

OT-2026-000031400

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, 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-2026-000031400) never changes.

Identity and time

Publication numberOT-2026-000031400 · never reused
Internal UUID01a0ae74-87ad-76bc-8f40-5c15e395e128 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:07.653052Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000031400
StatusPUBLIC

Content hashes

Canonical text407045c8160da90f2fd3f87748594919f695520b7f0df19f3b0da99b1c3818eb
Markdowna3a1d7250a962fa4ad2b83d72660f6674bec0fe938e3a4a0d3ed570220b26648
PDF
Publication page64b2f24f3efddc8200d1359902dfdaea7d689d31eee1f399448cf5f4272e26ab
Manifestb196f5df7371dfdc47cf2318de5e6c9ea3f68337749ccd4a069cbeb7c83ab5d8

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
Signaturebq6u+6UvghW/JflxJpafQhrFmLqg27q8DxX6CZbSD4kMHilCrF39HmiARvHl43z1wF0ZrhZxbob9G/2e4lboAA==
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

2026-09-17T11:36:06.752085ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031400
observed 64b2f24f3efddc8200d1359902dfdaea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:06.733588ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031400/manifest.json
observed b196f5df7371dfdc47cf2318de5e6c9e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:06.715042ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031400/publication.md
observed a3a1d7250a962fa4ad2b83d72660f667...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:06.698581ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031400/publication.txt
observed 407045c8160da90f2fd3f87748594919...
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.