OpenTechnical

OT-2026-000041577

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, sustained 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-2026-000041577) never changes.

Identity and time

Publication numberOT-2026-000041577 · never reused
Internal UUID01a0ae79-e8a0-7dd6-bbc5-26ba6e9b7899 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:00.220789Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041577
StatusPUBLIC

Content hashes

Canonical text21c8a82023e608eb7e87de95ca44bce1e33fa83a35e4e46ee1081e21c4167e98
Markdown4365ab7719cfcf1654bcda98e21b4779031f5d85a5dac10b4ad50d467b0be21c
PDF
Publication page8ce0eaa2535738da21fa66960c14b026a82b4c701429632b21170cd603f33977
Manifestea15fe8095c07348e01f96071a68e3633c8ab4691fc6887abe5877be9f9768c1

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
SignatureMKBjHtFNBaS2f5x8sYMM0/GK5jjCYvCXQKVy+LEuWz9sMNi7gXQ/YtFn1AYNeylzoJtKHXSofA5ugZuRPFp8BQ==
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

2026-09-17T11:16:21.670163ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041577
observed 8ce0eaa2535738da21fa66960c14b026...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:21.652082ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041577/manifest.json
observed ea15fe8095c07348e01f96071a68e363...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:21.634126ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041577/publication.md
observed 4365ab7719cfcf1654bcda98e21b4779...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:21.614009ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041577/publication.txt
observed 21c8a82023e608eb7e87de95ca44bce1...
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.