OpenTechnical

OT-2026-000041978

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, pump fed, 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-2026-000041978) never changes.

Identity and time

Publication numberOT-2026-000041978 · never reused
Internal UUID01a0ae79-e8a7-707f-b1e4-6c7d40c7f4e7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:00.220789Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041978
StatusPUBLIC

Content hashes

Canonical text2fcf3f8299310869c67abca11c1e07736c0a2c467a891060713acbe783219f53
Markdown8a3fe25acd36439da92c55ccfbd50ef2ab11f6efcdd48e4d99401078df7dbe38
PDF
Publication page726b309c98444cdff1ece61c6caf4c57a06dc54497e599ea5c89f178e09034c4
Manifestfadd699e44f9a11207c8e17c61e4104231c1c83fa5fdb490d73bc842a7cb5cfa

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
SignatureppWxaCS2W09zDbwSGANABCoHbjPTb0Mwp7KuUKqXtLRXwZQXgwg8r9EZJzmIBxcuiBCZeIGZdv8og92KyeEoCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:16:52.350176ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041978
observed 726b309c98444cdff1ece61c6caf4c57...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:52.334886ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041978/manifest.json
observed fadd699e44f9a11207c8e17c61e41042...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:52.319398ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041978/publication.md
observed 8a3fe25acd36439da92c55ccfbd50ef2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:52.300828ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041978/publication.txt
observed 2fcf3f8299310869c67abca11c1e0773...
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.