OpenTechnical

OT-2026-000018464

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, 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-2026-000018464) never changes.

Identity and time

Publication numberOT-2026-000018464 · never reused
Internal UUID01a0ae6e-b48a-7a04-a3b0-6407fb7ed47b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:45.971508Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018464
StatusPUBLIC

Content hashes

Canonical textbff38dfc365f1d66ed20d150c8f5920fc1e1ccfc51c2b05385c8cb234dc805b7
Markdownde891e2f4a672c6cc99c2381184fd1f1c7b98dd6d4f369959113835b59e66e1f
PDF
Publication pageca88d260b3ea0381033ab16401213a3bc20927b77d47b5f41e98d1fe8789f868
Manifestcd80769d9cf2abae075887b6c400de83de1c72461ffea9df34b84f8454e77b15

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
Signature3Xdyzm6e7Yq3UIPW4yr3ElgAjVPlW12XC5rno45xmg9P5j52CZHRHsLQpSP8+leX7/2r6kQkqS0X3BzIHaGCBA==
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

2026-09-17T12:01:13.668275ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018464
observed ca88d260b3ea0381033ab16401213a3b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:13.651148ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018464/manifest.json
observed cd80769d9cf2abae075887b6c400de83...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:13.634026ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018464/publication.md
observed de891e2f4a672c6cc99c2381184fd1f1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:13.616657ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018464/publication.txt
observed bff38dfc365f1d66ed20d150c8f5920f...
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.