OpenTechnical

OT-2026-000030775

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three 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-2026-000030775) never changes.

Identity and time

Publication numberOT-2026-000030775 · never reused
Internal UUID01a0ae74-3fb4-77d7-bf0c-d6755b4fdff3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:49.275361Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030775
StatusPUBLIC

Content hashes

Canonical text5949bcc4e7020ca9b7ba9ace0f68d5870c2580e1c7d9da0f369ea8e3dec0e790
Markdownd290958d37eb4f7fc5e8bc708e9093d857a88a55856a8472db5757e7d657b05f
PDF
Publication page8334cfa2be604a160bf7c232e13c314e88b687ea04987dfb4a2d5ab5ee80f5c3
Manifest9dd7e3ffbb87dc21b0f0fa0ab546594b46a97ffc697abd6b3a2a0cceb35f458f

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
Signaturexjdr8DynybwBJc9A6Vyy53+ZI2DuvuCRRyD81jKmGRk1ntQ3k6vGgnEbPK7rtcxyFN4wfiESuaxamfyBL94VAQ==
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

2026-09-17T11:36:44.058870ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030775
observed 8334cfa2be604a160bf7c232e13c314e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:44.039922ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030775/manifest.json
observed 9dd7e3ffbb87dc21b0f0fa0ab546594b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:44.022993ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030775/publication.md
observed d290958d37eb4f7fc5e8bc708e9093d8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:44.005547ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030775/publication.txt
observed 5949bcc4e7020ca9b7ba9ace0f68d587...
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.