OpenTechnical

OT-2026-000042151

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, two stage ejector, manifold pressure sensor, 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-2026-000042151) never changes.

Identity and time

Publication numberOT-2026-000042151 · never reused
Internal UUID01a0ae7a-5d71-799b-8dc4-eb1055e81382 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:30.052779Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042151
StatusPUBLIC

Content hashes

Canonical text95373e70d2f07b61a5d0f237094b62124b0a33e9929f83b5cdf354b480b688a0
Markdown439c824400ca0223100db2d4911e6904408c3a907a28c09a402495c22fbd6231
PDF
Publication page1c17ec20ca32d99a0d2ea6bb134d007605b54eaece3f0dbf311d088a8ecd37d1
Manifest6336b127e2521c0e11edbc1f9cf817a5b46081207a96a904aa0ed3ac2d915908

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
SignatureUut3WKv2NNMU/RkjCqYfphzTSUugFsXXKrQ1CV6pbia8XHMdkSw3QYAYVzCY5RSLFA0ztnHUGACCuR2g2207Ag==
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

2026-09-17T11:15:42.331935ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042151
observed 1c17ec20ca32d99a0d2ea6bb134d0076...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:42.310544ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042151/manifest.json
observed 6336b127e2521c0e11edbc1f9cf817a5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:42.290226ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042151/publication.md
observed 439c824400ca0223100db2d4911e6904...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:42.270273ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042151/publication.txt
observed 95373e70d2f07b61a5d0f237094b6212...
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.