OpenTechnical

OT-2026-000022785

Publication integrity record

Two cup vacuum gripper, two outlet manifold, pump fed, sustained 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-2026-000022785) never changes.

Identity and time

Publication numberOT-2026-000022785 · never reused
Internal UUID01a0ae70-46ea-77ac-9a24-baca76c0c32a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:28.929798Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022785
StatusPUBLIC

Content hashes

Canonical texta8ffb3b547da004c13df9cab0a7aaf88d65be4af5cc35fafdefb8e34cd4db6dd
Markdown26524b517420806eb99f5d9f8d43cdcb7e7f4a8e330adbd963e834dfb81bc611
PDF
Publication page4c28cb2f2c092d9ac531f1abb264aa7809150fabe11d99472d4d104cba8b8a70
Manifestab4bb99d368eaeba58fc194c4ab242603ed2cc2497720818f18d573845ec7434

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
Signature6WUlxk7PWbX7v7qbsooLHtMaEGcjY242gRaNk31Uqk1c/uvC6hin5IVhMS+YN09Nr1SYnny9Nh6CHsil7A6mAg==
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

2026-09-17T11:52:18.244654ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022785
observed 4c28cb2f2c092d9ac531f1abb264aa78...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:18.226778ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022785/manifest.json
observed ab4bb99d368eaeba58fc194c4ab24260...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:18.208753ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022785/publication.md
observed 26524b517420806eb99f5d9f8d43cdcb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:18.189015ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022785/publication.txt
observed a8ffb3b547da004c13df9cab0a7aaf88...
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.