OpenTechnical

OT-2026-000049427

Publication integrity record

Foam pad vacuum gripper, two zone face, three outlet manifold, plant vacuum fed, pressure sensor per zone, pulsed 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-2026-000049427) never changes.

Identity and time

Publication numberOT-2026-000049427 · never reused
Internal UUID01a0ae81-8f7b-7a8f-8851-4ef36c3e5339 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:21.728203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049427
StatusPUBLIC

Content hashes

Canonical text39cd53ca3b269df096c79c49704be236d45f1265550b2f4fbed71936c6b47d6e
Markdowne3ce6403af841bb491ae4c37a523cf4e94fa09d7bc563e1d494c0594349cf167
PDF
Publication page4a7aaaf9496dee3bfe25b0f96357e717a2f1c6cac3ebaed32199b8b752ed6730
Manifestdeaf539ecc72ecf1801480978c8192339a61b1b7f35664e778efda7441819532

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
SignatureLlLVTopRelcJPpkaaHcMXPpA+Fd9LheDMVz4zc01Xx3JW/nf4jVjkDBK4FDJNnlHAucnayTZZldMb9QkaeRVCg==
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

2026-09-17T11:02:15.435593ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049427
observed 4a7aaaf9496dee3bfe25b0f96357e717...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:15.416592ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049427/manifest.json
observed deaf539ecc72ecf1801480978c819233...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:15.398272ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049427/publication.md
observed e3ce6403af841bb491ae4c37a523cf4e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:15.380186ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049427/publication.txt
observed 39cd53ca3b269df096c79c49704be236...
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.