Pith Number

pith:NK3J6CIF

pith:2019:NK3J6CIF4NUNEOQEEKYZAYCAKI

not attested not anchored not stored refs pending

Depth thermography: non-invasive 3D temperature profiling using infrared thermal emission

Alireza Shahsafi, Chenghao Wan, Jad Salman, Mikhail A. Kats, Yuzhe Xiao

arxiv:1908.07682 v1 · 2019-08-21 · physics.optics · physics.app-ph

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NK3J6CIF4NUNEOQEEKYZAYCAKI}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-07-04T23:59:00.267694Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6ab69f0905e368d23a0422b1906040521736b7e67dd748d22be7bf1905325a6d

Aliases

arxiv: 1908.07682 · arxiv_version: 1908.07682v1 · doi: 10.48550/arxiv.1908.07682 · pith_short_12: NK3J6CIF4NUN · pith_short_16: NK3J6CIF4NUNEOQE · pith_short_8: NK3J6CIF

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/NK3J6CIF4NUNEOQEEKYZAYCAKI \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 6ab69f0905e368d23a0422b1906040521736b7e67dd748d22be7bf1905325a6d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5b2cad56caca20db1ee7b3a7a560d3963ce6720db3f3e3842ca339a226b013b8",
    "cross_cats_sorted": [
      "physics.app-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2019-08-21T02:49:09Z",
    "title_canon_sha256": "6d4f74f147df9a3ce4e0355186d4c8bb94f23b7c956746f29fdd1c907abcf6f2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.07682",
    "kind": "arxiv",
    "version": 1
  }
}