OpenTechnical

OT-2026-000046512

Publication integrity record

Single bellows cup vacuum gripper, 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-2026-000046512) never changes.

Identity and time

Publication numberOT-2026-000046512 · never reused
Internal UUID01a0ae7e-57dd-7614-90b4-09c1aa9c33af · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:31:51.003526Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000046512
StatusPUBLIC

Content hashes

Canonical text20e9c6f9911274ec73e069161784c88430b48c2768e46a4872b3c95180b3cdfd
Markdownb836e9d26b66e088342f0a77ed123068c8298bea731102b56268bb6e0cc06156
PDF
Publication page7b67e659cd3f4e5d6ec229e5e7df69656f290468137e6898bda278f4ff8e3f87
Manifest3659825c5edec38445f00db3ee71aee13ef54b45945a82e1c15b77ea0b404ec9

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
Signature6gsGyOG7jKynElXvLBdF9y5iWtb46cFnpgvP2dZcvphIQgiMHXZlhszdYXEVbdIFUeCoOGECYMmBMSt8GMKzAw==
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

2026-09-17T11:08:33.413801ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046512
observed 7b67e659cd3f4e5d6ec229e5e7df6965...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:33.394013ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046512/manifest.json
observed 3659825c5edec38445f00db3ee71aee1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:33.375458ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046512/publication.md
observed b836e9d26b66e088342f0a77ed123068...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:33.355102ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046512/publication.txt
observed 20e9c6f9911274ec73e069161784c884...
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.