OpenTechnical

OT-2026-000049855

Publication integrity record

Three cup vacuum gripper, three zone face, three outlet manifold, plant vacuum fed, pressure sensor per zone, 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-2026-000049855) never changes.

Identity and time

Publication numberOT-2026-000049855 · never reused
Internal UUID01a0ae81-fd75-76f1-a896-cb161389e7a9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:49.774136Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049855
StatusPUBLIC

Content hashes

Canonical text7082e817ed088c209265823a308ad431c2ce6282307efb4a4f4a9b1c12822673
Markdown55f3fdc02c2090c800a543658e563a52565a2b2356cbb287cd761a66face089b
PDF
Publication page2bab02a87b7c3007b409a5d5ff6a002ba6b80ea93299919bef4f8c0ecfcc4c05
Manifest0c285a97d880bfd5dba52a75d7688139a17fab20c5f6313c0b863d19d11886b0

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
SignatureebwoADCXyNNXbtFhba+W6uGmNziHwWHZ7cYhfkPa8jMxyhm96XZSB7//LpvW1eUrjPgiw3lVuD2KRbHyxIi+BA==
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

2026-09-17T11:01:45.480790ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049855
observed 2bab02a87b7c3007b409a5d5ff6a002b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:45.462369ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049855/manifest.json
observed 0c285a97d880bfd5dba52a75d7688139...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:45.445134ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049855/publication.md
observed 55f3fdc02c2090c800a543658e563a52...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:45.426638ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049855/publication.txt
observed 7082e817ed088c209265823a308ad431...
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.