OpenTechnical

OT-2026-000007050

Publication integrity record

Porous face vacuum gripper, three outlet manifold, pump fed, pulsed blow off after 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-2026-000007050) never changes.

Identity and time

Publication numberOT-2026-000007050 · never reused
Internal UUID01a0a970-da0e-741a-b3f8-2917725e7da7 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:59:00.497120Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007050
StatusPUBLIC

Content hashes

Canonical textd8b3bfbfb54549b0ed2e0d9fe6eec86dbc5bb55ab43780a7e1d3096765045457
Markdown57314410dbbabc6de1581c3a172f453050183ea63cf04fdedaee9865b576e462
PDF
Publication page05fa3a73dfc530e15e64ed3e78a9097a13f2c6251b73f66010caec0a90a490cb
Manifestdbf5780c1fd88391c48bb869c555dfbff787e5a43ac0fbfc57d0312b1ae3ac78

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
SignaturewfFOV+Ua+4gz2psRCRbcGDOeDrMCZdIIS3hGlH1HgcxI7kQYL+8Rp7v53BSCp+Cc1ucyICu1DcC7OSQx1XvsDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T09:07:03Z
batch OT-TS-2026-W38-014 · RFC 3161 token · inclusion proof
root 2354c19da800f8df297acf3cddd64d4d...

Independent retrieval

2026-09-16T09:00:07.708518ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007050
observed 05fa3a73dfc530e15e64ed3e78a9097a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:07.696039ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007050/manifest.json
observed dbf5780c1fd88391c48bb869c555dfbf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:07.682445ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007050/publication.md
observed 57314410dbbabc6de1581c3a172f4530...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:07.669632ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007050/publication.txt
observed d8b3bfbfb54549b0ed2e0d9fe6eec86d...
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.