OpenTechnical

OT-2026-000042934

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, sustained blow-off after set-down

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-2026-000042934) never changes.

Identity and time

Publication numberOT-2026-000042934 · never reused
Internal UUID01a0ae7a-c0d1-7611-8457-ea910b1536e2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:55.489038Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042934
StatusPUBLIC

Content hashes

Canonical textbaffb194a38a96751fbf422d13610838f15ca042fd77c6116d62c2b57822e058
Markdown4e63f4120e139b2805c9d24e85beaf544e4a874b1a67b0f10a93c6078ccc22ce
PDF
Publication pageb4b7f5cb34cb8fd0db67faa6657d3de8d9f05a3db03612a1d299afd6993e0b48
Manifestb36282a3222e8234f13682664b6c15ccc40c5a2086c9ddf0cb5fe198b7e4538e

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
Signaturem6ZH4+ZUGsM3JyHYEyIt2uvaD1YBfqUoyDxfDvEr7BPl5STYF+zId/8IfLbIvBDCeyNxbRz1HIbvRXaySy1iCA==
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

2026-09-17T11:15:27.934370ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042934
observed b4b7f5cb34cb8fd0db67faa6657d3de8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:27.914856ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042934/manifest.json
observed b36282a3222e8234f13682664b6c15cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:27.894804ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042934/publication.md
observed 4e63f4120e139b2805c9d24e85beaf54...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:27.875543ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042934/publication.txt
observed baffb194a38a96751fbf422d13610838...
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.