OpenTechnical

OT-2026-000058997

Publication integrity record

Four cup vacuum gripper, four outlet manifold, pump fed, manifold pressure sensor, vented 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-2026-000058997) never changes.

Identity and time

Publication numberOT-2026-000058997 · never reused
Internal UUID01a0ae89-47a1-789f-812a-3da4eddcf4b0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:43:47.568543Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000058997
StatusPUBLIC

Content hashes

Canonical texta89baa20134846d57595adcd95563c7a1640828be62eabfb161fa42495c39790
Markdown4b07054cf353db60aac05efa206adc72eaf78ab43af555f71bdda72223a0d0b4
PDF
Publication page079e5a21b14b5599fd7f7f7dfa8701f1159b9177acd5a58eb2289fefe2ae0d4c
Manifest2f185e31052eb7ece86fe34f635ea6cdde92498f969fa88dabea871dd06d7118

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
SignatureMjsmhK92G6o8Mx/lxf9/wFwFQvrcWRNYd5wWZwQ47KrTuNd0gWnyUsYYGIxJdlU1pD8IQrjho7BfxFmAQTnPBQ==
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

2026-09-17T10:46:35.076308ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058997
observed 079e5a21b14b5599fd7f7f7dfa8701f1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:35.060154ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058997/manifest.json
observed 2f185e31052eb7ece86fe34f635ea6cd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:35.041884ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058997/publication.md
observed 4b07054cf353db60aac05efa206adc72...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:35.022774ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058997/publication.txt
observed a89baa20134846d57595adcd95563c7a...
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.