OpenTechnical

OT-2026-000017375

Publication integrity record

Foam pad vacuum gripper, three zone face, four outlet manifold, pump fed, 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-2026-000017375) never changes.

Identity and time

Publication numberOT-2026-000017375 · never reused
Internal UUID01a0ae6e-76c9-7044-a3f8-d09113982dc8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:30.105855Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017375
StatusPUBLIC

Content hashes

Canonical textbe06222d56d825c4f950ed0f51bdcd1bfdc9d9ee0c291f8e83254066f494580e
Markdowndebb88fbf0a19cdcb4cf0816d514e7242b2a23e6215a63037b8709ca3da98307
PDF
Publication page997c88bd0c647d1afdd5e6b3b01689e63ac47cdba7f553c527095418478ee597
Manifest9adfb03d2a7361049410b7581afd891cb8b9004b2aec5e6eae69ff0c60cc4287

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
SignatureEIq4/yRx0+tE7dj8c2buA8xxeUsDah5GoRscrmPHefbZYPKacopimA/TNxSizmcdUpAPHi7/9mNFs9FEcXUPDQ==
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

2026-09-17T12:02:29.717724ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017375
observed 997c88bd0c647d1afdd5e6b3b01689e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:29.701506ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017375/manifest.json
observed 9adfb03d2a7361049410b7581afd891c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:29.685574ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017375/publication.md
observed debb88fbf0a19cdcb4cf0816d514e724...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:29.667152ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017375/publication.txt
observed be06222d56d825c4f950ed0f51bdcd1b...
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.