OpenTechnical

OT-2026-000040399

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, single stage ejector, 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-2026-000040399) never changes.

Identity and time

Publication numberOT-2026-000040399 · never reused
Internal UUID01a0ae79-2701-77f3-97c1-0c31a15287ab · 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-2026-000040399
StatusPUBLIC

Content hashes

Canonical textb20fe8320cc6f684dc584a12ed156988131e525e54c5e99159e12840966d8130
Markdowne47d4477912ed452b68795594161657b819d283245002391132a4bd84b48289c
PDF
Publication page357d94f3ffa515f77ef219c8ca5acb0bdc4c60f5cf2225c6e796091b9421d12b
Manifestfda1f44068f4718d79e27e31d6ec91920951823f244dc69a4d8f550693f14b74

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
SignatureYKCcigKr28BDBDHvo0eI+Uyzk+4yHtBl4XQLtT6BUZrgSiUTPSpmtqW/fbkCxDKXMYPRGu5QMbS04mNC/ecLCw==
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

2026-09-17T11:19:25.839238ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040399
observed 357d94f3ffa515f77ef219c8ca5acb0b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:25.821283ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040399/manifest.json
observed fda1f44068f4718d79e27e31d6ec9192...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:25.802201ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040399/publication.md
observed e47d4477912ed452b68795594161657b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:25.785466ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040399/publication.txt
observed b20fe8320cc6f684dc584a12ed156988...
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.