OpenTechnical

OT-2026-000030980

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, 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-2026-000030980) never changes.

Identity and time

Publication numberOT-2026-000030980 · never reused
Internal UUID01a0ae74-3fb7-7d07-a738-e3ba2532fe3e · 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-2026-000030980
StatusPUBLIC

Content hashes

Canonical textb5859b428911ddeeb6beb99b91009f167b6e2d7765ffab6165f2cc89ae20f869
Markdown03355c16efd080ef517213c2a6cc18d1ef835fd85e51fc90f6636118eae39527
PDF
Publication pageee5b533312f8115900c21737faeae4c71d5adf8cb0d558bab81e78110efebaf2
Manifest076eccf65f1abb919952357b191a0394664ed8402603f16b675d5072415718ff

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
SignatureRr56aBQI0e1d4uz81YMB4PX4lWz09xAdaRBF7gnPEFDfP55U1STe6LH3Ijr/6kDQ9lYfSkEUXOkCukOxOuDyCw==
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

2026-09-17T12:43:19.617275ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030980
observed ee5b533312f8115900c21737faeae4c7...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T12:43:19.457851ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030980/manifest.json
observed 076eccf65f1abb919952357b191a0394...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T12:43:19.306131ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030980/publication.md
observed 03355c16efd080ef517213c2a6cc18d1...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T12:43:19.161183ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030980/publication.txt
observed b5859b428911ddeeb6beb99b91009f16...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T11:36:59.416075ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030980
observed ee5b533312f8115900c21737faeae4c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:59.397314ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030980/manifest.json
observed 076eccf65f1abb919952357b191a0394...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:59.376486ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030980/publication.md
observed 03355c16efd080ef517213c2a6cc18d1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:59.357995ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030980/publication.txt
observed b5859b428911ddeeb6beb99b91009f16...
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.