OpenTechnical

OT-2026-000039619

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, 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-2026-000039619) never changes.

Identity and time

Publication numberOT-2026-000039619 · never reused
Internal UUID01a0ae78-d8d4-7563-8b00-b28395f32d2b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:50.683051Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039619
StatusPUBLIC

Content hashes

Canonical text1bde3e1a3e310383aa87671148185a425c5e9126eeaabcd88d6dce7ef8c58741
Markdown416dfa5779b13c0ebd7deaf538ea9e30af76bc5f274a33364ac4924f94a25da4
PDF
Publication pageee123e01827721a294047dc4295079342e807977491ab9173d1cdaba503464fe
Manifestbfd4c98566d590d5266732a5d530efa0de160d4aa1f2cfddcd73fa37ebb364f4

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
SignatureYZgy5uSbme2CUEA0oruvWeqTMUajviMAcVW1rSGhLVbjO3KEVxsDuq1NAyzVpJVpv6GIXGkoHB+k+dJAoVWOAQ==
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

2026-09-17T11:19:47.150506ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039619
observed ee123e01827721a294047dc429507934...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:47.132630ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039619/manifest.json
observed bfd4c98566d590d5266732a5d530efa0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:47.114340ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039619/publication.md
observed 416dfa5779b13c0ebd7deaf538ea9e30...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:47.094489ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039619/publication.txt
observed 1bde3e1a3e310383aa87671148185a42...
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.