OpenTechnical

OT-2026-000026347

Publication integrity record

Four cup vacuum gripper, four zone face, six outlet manifold, two stage ejector, 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-2026-000026347) never changes.

Identity and time

Publication numberOT-2026-000026347 · never reused
Internal UUID01a0ae71-f4a7-714c-9d74-f289e9e6f9ea · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:18.960773Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026347
StatusPUBLIC

Content hashes

Canonical text1db7965363d806dde9d2eb4103458af5b9343256cd1ee0195c179e7226672b26
Markdownabd0b482c5b88bcf6b4dc206ffac2d5c45289289a650f1a39818afeac587fb29
PDF
Publication pagef046001bb37e2a0f8ee81698382013d615014be67646107001f011e9e868bdba
Manifest88c25bd8cdbd2cf0854feb32d544337415d1801e651eceb7ce0e50ff5f5ead52

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
Signature0irGah0i9kwpe1ymNZWZXImF6kjchZRmvfblYVq1eSw6v5Gin1cIMZOowVW6PXoJZzvnI1D8f5rhHn45y6VbAw==
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

2026-09-17T11:44:19.004469ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026347
observed f046001bb37e2a0f8ee81698382013d6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:18.987262ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026347/manifest.json
observed 88c25bd8cdbd2cf0854feb32d5443374...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:18.970283ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026347/publication.md
observed abd0b482c5b88bcf6b4dc206ffac2d5c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:18.953462ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026347/publication.txt
observed 1db7965363d806dde9d2eb4103458af5...
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.