Pith Number

pith:BDAGI7VO

pith:2019:BDAGI7VOPVQXJD6RCCN4JE2IJH

not attested not anchored not stored refs pending

Detection of time-varying heat sources using an analytic forward model

Janne P. Tamminen

arxiv:1906.12156 v1 · 2019-06-28 · math.NA · cs.NA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BDAGI7VOPVQXJD6RCCN4JE2IJH}

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	2026-05-17T23:41:59.130093Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

08c0647eae7d61748fd1109bc4934849ff13aedecb524c897fbf618171be2267

Aliases

arxiv: 1906.12156 · arxiv_version: 1906.12156v1 · doi: 10.48550/arxiv.1906.12156 · pith_short_12: BDAGI7VOPVQX · pith_short_16: BDAGI7VOPVQXJD6R · pith_short_8: BDAGI7VO

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/BDAGI7VOPVQXJD6RCCN4JE2IJH \
  | 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: 08c0647eae7d61748fd1109bc4934849ff13aedecb524c897fbf618171be2267

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "149fe6d7d51e160e76488f078cdc828cac9d06b99b581b439bca97f4cedb1312",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2019-06-28T12:14:47Z",
    "title_canon_sha256": "67ce7cc6027f5cf286eaae9636ec8b0ebed6a5b559e59df769e575a4b3c6d776"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.12156",
    "kind": "arxiv",
    "version": 1
  }
}