OpenTechnical

OT-2026-000008411

Publication integrity record

Two cup vacuum gripper, two zone face, four outlet manifold, pump fed, manifold pressure sensor, vented after set-down

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-2026-000008411) never changes.

Identity and time

Publication numberOT-2026-000008411 · never reused
Internal UUID01a0ae6a-e469-7988-8b0a-17ed151d1457 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:36.030441Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008411
StatusPUBLIC

Content hashes

Canonical text4c1a5baad39db9107006cd22b46de9c77c07647476b55294fcb4f2e854dd6a56
Markdown45bc9bb74cc5bd47a97523974eb1eb642d3b6e7a888dedaf49774ff8b108662e
PDF
Publication pagee6530e3d2a13e4fda293aad2a7a4a6094c49424e074ab3ebedd38d40eb0dd871
Manifest0139da5e849bc03dfb0f724df9d5b054d0bf0b4a1c5e8854d69514b886d18d26

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
Signatureg4pLM736OtKL72gnjf532LcdPH+WgWvTs7u7LCfTt1I9xBvhJC5gq98BfWQEVrHwM4erGYmAv8LxJkC22Ul5Bw==
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

2026-09-17T12:18:15.462797ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008411
observed e6530e3d2a13e4fda293aad2a7a4a609...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:15.441205ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008411/manifest.json
observed 0139da5e849bc03dfb0f724df9d5b054...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:15.421209ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008411/publication.md
observed 45bc9bb74cc5bd47a97523974eb1eb64...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:15.397257ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008411/publication.txt
observed 4c1a5baad39db9107006cd22b46de9c7...
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.