OpenTechnical

OT-2026-000058699

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, pump fed, supply line pressure sensor, pulsed blow-off before 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-2026-000058699) never changes.

Identity and time

Publication numberOT-2026-000058699 · never reused
Internal UUID01a0ae88-f39d-7e12-ac8f-c926b3ac273c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:43:25.998432Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000058699
StatusPUBLIC

Content hashes

Canonical text4e336ac5df6cc9b83b8028271849377b8bbcbfd4651a41e9daa38d98f53b0e98
Markdown044f2ff621b1cad61b6ab0cb7fbd2655748c057e5d8beb22ac547b39e8767352
PDF
Publication page438571a5c993b30a2bf9524befac022b43a5700ce4c53748bc55987271210871
Manifestd3c1ea668270aef6db3fef95cb506403e81b5bd8b9cb34950e37d385ffd90830

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
SignatureOdI6TpgcgT2TJnbH+rNcS581fYDlQ57E/rQ7EUnOfJC0MWZOYuCW1DlkSHUbiEUVvBBfyZv6VSK7q2OeeKzIBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:47:13.415285ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058699
observed 438571a5c993b30a2bf9524befac022b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:13.398959ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058699/manifest.json
observed d3c1ea668270aef6db3fef95cb506403...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:13.381359ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058699/publication.md
observed 044f2ff621b1cad61b6ab0cb7fbd2655...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:13.362974ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058699/publication.txt
observed 4e336ac5df6cc9b83b8028271849377b...
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.