OpenTechnical

OT-2026-000008948

Publication integrity record

Four cup vacuum gripper, four zone face, plant vacuum fed, supply line pressure sensor, sustained 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-2026-000008948) never changes.

Identity and time

Publication numberOT-2026-000008948 · never reused
Internal UUID01a0ae6b-31b7-7027-8a43-60b881973247 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:55.823363Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008948
StatusPUBLIC

Content hashes

Canonical text60421da582ab0d4a121b726a8f6e458959e652315df5e063809a12e65f861818
Markdown48416b2c63d0a2972befcf56219348fd41ba2eea3103a1863a74f68db83ecb19
PDF
Publication page39eaf4777111dada58723631dcd0a7732578590e23005f363f7dac0cf526bf9c
Manifest1acb0dc1a6f77a163455f75e082491dfc5ad811c393760e7f3e8ac0640965165

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
SignatureEg9lZA86ZYsSBOKXj0mEJngxgu1+1X1ftXPFhBuPt+5zdMyYDFveXT2X5+ZZqNrf/xbSNtSRwCEXWhPazCvpAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:17:33.716886ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008948
observed 39eaf4777111dada58723631dcd0a773...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:33.698882ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008948/manifest.json
observed 1acb0dc1a6f77a163455f75e082491df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:33.679843ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008948/publication.md
observed 48416b2c63d0a2972befcf56219348fd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:33.661680ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008948/publication.txt
observed 60421da582ab0d4a121b726a8f6e4589...
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.