OpenTechnical

OT-2026-000008441

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, two stage ejector, pressure sensor per zone, 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-2026-000008441) never changes.

Identity and time

Publication numberOT-2026-000008441 · never reused
Internal UUID01a0ae6a-e46a-7e4e-afff-e2c141b5c615 · 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-2026-000008441
StatusPUBLIC

Content hashes

Canonical text5fa7070897a5a58e7850e96ed5516ae2e22e93a9f6c39afb685ea1cccd57f946
Markdown8bf03d24b20177133f5d1f28a467394867cb09461c13e2b21b5f75d244494b1f
PDF
Publication page431c6a97b79faf08c366b2d500f074f135cf3e5f80dee79c5f48a6b25a6a9f16
Manifest5bd5539c7499f3053ea404d872ddce214c2a631025033559f71b716712a62c59

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
SignaturequFDHNrQVpqV6MRNn4o/m8H0ZLCbG3Fd9O98K0dDMaDr4tPI9LZm6vCaMeo19Sqrlstk4dFVO42DRjWv8I1TAw==
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

2026-09-17T12:18:19.275605ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008441
observed 431c6a97b79faf08c366b2d500f074f1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:19.253379ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008441/manifest.json
observed 5bd5539c7499f3053ea404d872ddce21...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:19.226759ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008441/publication.md
observed 8bf03d24b20177133f5d1f28a4673948...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:19.207839ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008441/publication.txt
observed 5fa7070897a5a58e7850e96ed5516ae2...
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.