OpenTechnical

OT-2026-000008401

Publication integrity record

Four cup vacuum gripper, four zone face, common isolation valve, single stage ejector, vented after set-down

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-2026-000008401) never changes.

Identity and time

Publication numberOT-2026-000008401 · never reused
Internal UUID01a0ae6a-e469-73c7-a7f0-cde48e5735b9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:36.030441Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008401
StatusPUBLIC

Content hashes

Canonical textb2aea7f58bc813e026da2968d7686d5fb0a61d57626d4127e855584130e2319e
Markdown2ed4ba5eedc9c130e3cbe38061f82e3e8fd5e73a4df84737ab31f4db2a6050f0
PDF
Publication page7591baf50358c936889ce407aa655a72fb39326d610d04f3e8d9ae5ee0511b70
Manifesta982d3684511685a3964292e701ce0537d4943c765c10633315174761a5a947b

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
SignatureuVo1e+Mo/oIkEj3FBuTkhVMjRR25YrH1nBWuf+zCn6XiMCbeEQ3th6pdu33LIcC/twwPupojp3wf52cyAad4BA==
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

2026-09-17T12:18:14.655483ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008401
observed 7591baf50358c936889ce407aa655a72...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:14.636783ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008401/manifest.json
observed a982d3684511685a3964292e701ce053...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:14.617281ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008401/publication.md
observed 2ed4ba5eedc9c130e3cbe38061f82e3e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:14.596308ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008401/publication.txt
observed b2aea7f58bc813e026da2968d7686d5f...
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.