OpenTechnical

OT-2026-000040303

Publication integrity record

Two bellows cup vacuum gripper, two zone face, six 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-2026-000040303) never changes.

Identity and time

Publication numberOT-2026-000040303 · never reused
Internal UUID01a0ae79-2700-7361-8aec-6cf6e2912d39 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:10.588850Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000040303
StatusPUBLIC

Content hashes

Canonical textc6b9da1dc629dd4632c38844fa85fbd5cfe6efb67a83f2191c9aa101f153bcdf
Markdown641c556a27a3e373fb5a2a4290faa84fc594ead67eea3db9cef5feaf0b0febce
PDF
Publication page8594aadb370effbf1f0006bf43bf0c07dc7c2f92b38e747243ad1afb18f1ed68
Manifest77623828d4dac7d937b8391275dc5845905bd9659b893eb61518d3a50263ef2b

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
SignatureO8PGcuqjK4vJvL9NKe6gIrl6eg7zZCwjPu8Wfjgk99+knzeh4oryFCcTDEY/wnFamxTpUifkXl9x/iode5gPCA==
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

2026-09-17T11:19:17.946526ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040303
observed 8594aadb370effbf1f0006bf43bf0c07...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:17.926353ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040303/manifest.json
observed 77623828d4dac7d937b8391275dc5845...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:17.905950ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040303/publication.md
observed 641c556a27a3e373fb5a2a4290faa84f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:17.887552ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040303/publication.txt
observed c6b9da1dc629dd4632c38844fa85fbd5...
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.