Pith Number

pith:ZJPJ2F43

pith:2021:ZJPJ2F43CTDIYT4YS2OH3CQPGC

not attested not anchored not stored refs pending

Propagation and reconstruction of re-entry uncertainties using continuity equation and simplicial interpolation

Camilla Colombo, Mirko Trisolini

arxiv:2101.10825 v1 · 2021-01-22 · cs.CE · astro-ph.EP · astro-ph.IM · cs.NA · math.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{ZJPJ2F43CTDIYT4YS2OH3CQPGC}

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	2026-07-05T02:44:35.495056Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ca5e9d179b14c68c4f98969c7d8a0f3099c6e94e268e84cf1e66bc271babf413

Aliases

arxiv: 2101.10825 · arxiv_version: 2101.10825v1 · doi: 10.48550/arxiv.2101.10825 · pith_short_12: ZJPJ2F43CTDI · pith_short_16: ZJPJ2F43CTDIYT4Y · pith_short_8: ZJPJ2F43

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/ZJPJ2F43CTDIYT4YS2OH3CQPGC \
  | 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: ca5e9d179b14c68c4f98969c7d8a0f3099c6e94e268e84cf1e66bc271babf413

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5bd9c1cc2f30c3073ce2309fe14b996933fabae731a86227c3fd9f06ae699a1f",
    "cross_cats_sorted": [
      "astro-ph.EP",
      "astro-ph.IM",
      "cs.NA",
      "math.NA"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "cs.CE",
    "submitted_at": "2021-01-22T10:17:52Z",
    "title_canon_sha256": "8b408ae4d8a16bd7817369664a3f7298d21e04f11d4c70c597dc3f27130474d2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2101.10825",
    "kind": "arxiv",
    "version": 1
  }
}