OpenTechnical

OT-2026-000030029

Publication integrity record

Four cup vacuum gripper, four outlet manifold, single stage ejector, manifold pressure sensor, sustained blow-off before 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-2026-000030029) never changes.

Identity and time

Publication numberOT-2026-000030029 · never reused
Internal UUID01a0ae73-ac49-7b81-bdff-4236932ea3bf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:11.501096Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030029
StatusPUBLIC

Content hashes

Canonical text4d284da6a9958c7947c4b60ab5f926f16169ccb9a9664eb0acba7541483e95c6
Markdownaff30aa5c6f5117d8e70c73d948e26bb074fbc64ca65c815d92d68062d6a7b37
PDF
Publication page07e3fd4259a4a32b04a5bbd1309105765f37fd0a9fd0ef0d5af1f564f009c634
Manifestcb58a546be6b99de1b698ec82a92d0dd321d3a9ea988e88e6125cd998083afc6

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
SignatureqlG+qjW+D0yqXAADlsOZCPWFnCPliPKisR4UWkARoQtjAKtZleMlTgJyJH4WhWlq9w8d/UScNJZ5ftypMcBOBA==
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

2026-09-17T11:38:45.858289ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030029
observed 07e3fd4259a4a32b04a5bbd130910576...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:45.838987ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030029/manifest.json
observed cb58a546be6b99de1b698ec82a92d0dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:45.814903ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030029/publication.md
observed aff30aa5c6f5117d8e70c73d948e26bb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:45.796471ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030029/publication.txt
observed 4d284da6a9958c7947c4b60ab5f926f1...
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.