OpenTechnical

OT-2026-000029370

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, pump fed, supply line pressure sensor, 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-2026-000029370) never changes.

Identity and time

Publication numberOT-2026-000029370 · never reused
Internal UUID01a0ae73-5e20-74ef-80d5-fcd5e1d9f6aa · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:51.545382Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029370
StatusPUBLIC

Content hashes

Canonical textb1b8367d12c129ba61d2e61ba62e8a4800006fb40dfde771551590df5d5e2ea0
Markdownc7a891b27de64fcf04ab5372f87b82e51e6c1d6504bff5bd1fdb22c110fbc360
PDF
Publication page1240594c370b971b46fb549f582e11e85038a5df4dfffcf4f849245739be7537
Manifestde6f2941e5496a4f28ce6d15a575d35b8e6fd77375761e2108f663332f9ba6a8

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
Signaturet7tQGljyrK8vlfVhO7vRncruWFYXryg+t4G7kqu+x+omw26/zfxm1NVIYV2HNVUJIEHCPml6YMwhNvw1cZ2cDQ==
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

2026-09-17T11:38:55.828714ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029370
observed 1240594c370b971b46fb549f582e11e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:55.810367ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029370/manifest.json
observed de6f2941e5496a4f28ce6d15a575d35b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:55.788286ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029370/publication.md
observed c7a891b27de64fcf04ab5372f87b82e5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:55.770824ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029370/publication.txt
observed b1b8367d12c129ba61d2e61ba62e8a48...
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.