OpenTechnical

OT-2026-000023843

Publication integrity record

Three cup vacuum gripper, three zone face, three outlet manifold, three stage ejector, 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-2026-000023843) never changes.

Identity and time

Publication numberOT-2026-000023843 · never reused
Internal UUID01a0ae70-aed5-74b9-9498-4b8f96c8fd5f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:55.528856Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023843
StatusPUBLIC

Content hashes

Canonical text8f8b447380a3625ca233d7b438106f683edbf7912bf470ef8f93c37d8ef4e6cd
Markdown18acfcd003015c9e7ddd5a002970d8e16ec739f8f0a81bccb599312ec5e9e6d1
PDF
Publication page3bd165392e0aa58a57ac1a8772819f2438e9c58b2470d196060d365cc09766de
Manifestb41e149fa90b919ab69c19e3fb9fa40ddf279b296f67389b64f62906a9ac9efa

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
SignatureOw46YuNT45o08JqtcznB+lN39H63TcnEJlnOKW15HZi6bULYpmJrhfT5AP132ggJse4q6ZwaV72wlWSaRg1bCQ==
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

2026-09-17T11:50:20.151980ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023843
observed 3bd165392e0aa58a57ac1a8772819f24...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:20.127753ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023843/manifest.json
observed b41e149fa90b919ab69c19e3fb9fa40d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:20.106144ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023843/publication.md
observed 18acfcd003015c9e7ddd5a002970d8e1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:20.083688ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023843/publication.txt
observed 8f8b447380a3625ca233d7b438106f68...
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.