OpenTechnical

OT-2026-000058153

Publication integrity record

Six cup vacuum gripper, six outlet manifold, pump fed, supply line 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-2026-000058153) never changes.

Identity and time

Publication numberOT-2026-000058153 · never reused
Internal UUID01a0ae88-6edb-79c0-b13a-ab0708676045 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:52.020108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000058153
StatusPUBLIC

Content hashes

Canonical text84d03b3023876589b1b8028ac475d69f3e0d25f93d7bf7d6ce1ad287edc5b4b2
Markdownbbf2dd3ef4f0e4fa5673098f072ecee82422bfc0bcf3220edaef61b8174ddc0a
PDF
Publication page11ffbefa48dafa919bd8766f29eff0c089fe451d5254b438c2a0733713469f3d
Manifest28cbd05df835010d9660d19e02f7bcbb934b049e6c4681bc1cbf463ac58881ec

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
SignatureJGi79lkvrwUIjl7lgknvSoRihIZmhcVph7xx1oJIj69olrTGrRgmqSt14fPvMzZ5D/PBXSaTUCSmI6bbZftFCg==
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

2026-09-17T10:47:50.699751ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058153
observed 11ffbefa48dafa919bd8766f29eff0c0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:50.679746ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058153/manifest.json
observed 28cbd05df835010d9660d19e02f7bcbb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:50.662846ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058153/publication.md
observed bbf2dd3ef4f0e4fa5673098f072ecee8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:50.644278ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058153/publication.txt
observed 84d03b3023876589b1b8028ac475d69f...
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.