OpenTechnical

OT-2026-000012884

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, pulsed blow-off before 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-2026-000012884) never changes.

Identity and time

Publication numberOT-2026-000012884 · never reused
Internal UUID01a0ae6d-5563-71dc-ad88-87ff91a27e1b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:16.019734Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012884
StatusPUBLIC

Content hashes

Canonical text4f9bb8ae9428b88239f575873d64696ffcaee1f80728dd06da435dd20876ecc4
Markdownc1c210d5973c7f3529512448efee2107e4c37b7a1a85be408543d0afc8c19aa6
PDF
Publication page19cd8ddfd654daf8f65b30c5391df1fc386ae9720b5f7aea4c118726ad5e4d22
Manifestfd5d554cbc22b516ff955d3d80907569311f4e033a33593903f5c6a417157c3e

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
SignatureCM9BDqUjc7bNxojPMBBTMKbegW+szsIXuBfUdHzSSbaZdqEEmGgfuTbUuZKXu9x+fWQAu49O0v+3zzL9LHjqCA==
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

2026-09-17T12:10:40.326726ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012884
observed 19cd8ddfd654daf8f65b30c5391df1fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:40.310366ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012884/manifest.json
observed fd5d554cbc22b516ff955d3d80907569...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:40.293166ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012884/publication.md
observed c1c210d5973c7f3529512448efee2107...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:40.275569ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012884/publication.txt
observed 4f9bb8ae9428b88239f575873d64696f...
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.