OpenTechnical

OT-2026-000008938

Publication integrity record

Four cup vacuum gripper, four zone face, six outlet manifold, single stage ejector, vented after 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-2026-000008938) never changes.

Identity and time

Publication numberOT-2026-000008938 · never reused
Internal UUID01a0ae6b-31b7-7e45-9263-192ead7ee704 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:55.823363Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008938
StatusPUBLIC

Content hashes

Canonical text944bb407c71c8eb2362d0b8c616d0a4b4612e9f608712d11d5e8d369340249f9
Markdown3f7019fc5bddc7c1d0b0d2511c1f3f0e544cb2c3dd13dd0a45bdce47adfa09c8
PDF
Publication pageee6ee7f706e12c77f758a28666f34d2b587b95a72726a68acbefcb4a8e419b46
Manifest276cae236765ad93e0ee8ee71eb878155369e62d4f7ae2a2a0a8f86c0fa1f56f

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
Signature+b8z8O4Cz3LAwHFd27txPW6VsZa0yRAGPzLA/Hor6tLlfTYmrbcQXi/s5cBikII0gWVECsshiPCRUy4dgSAFAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:17:33.097459ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008938
observed ee6ee7f706e12c77f758a28666f34d2b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:33.078448ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008938/manifest.json
observed 276cae236765ad93e0ee8ee71eb87815...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:33.060528ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008938/publication.md
observed 3f7019fc5bddc7c1d0b0d2511c1f3f0e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:33.040610ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008938/publication.txt
observed 944bb407c71c8eb2362d0b8c616d0a4b...
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.