Pith Number

pith:OBWZSJAJ

pith:2019:OBWZSJAJ7DEIPZNBM5DFYZOSUI

not attested not anchored not stored refs pending

An Analysis of a Mathematical Model Describing Acid-mediated Tumor Invasion

Anderson L. A. de Araujo, Artur C. Fassoni, Lu\'is F. Salvino

arxiv:1902.02632 v1 · 2019-02-05 · math.AP · 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{OBWZSJAJ7DEIPZNBM5DFYZOSUI}

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	2026-05-17T23:54:32.647679Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

706d992409f8c887e5a167465c65d2a2110f1b508923532e2bae948e96293d4e

Aliases

arxiv: 1902.02632 · arxiv_version: 1902.02632v1 · doi: 10.48550/arxiv.1902.02632 · pith_short_12: OBWZSJAJ7DEI · pith_short_16: OBWZSJAJ7DEIPZNB · pith_short_8: OBWZSJAJ

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/OBWZSJAJ7DEIPZNBM5DFYZOSUI \
  | 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: 706d992409f8c887e5a167465c65d2a2110f1b508923532e2bae948e96293d4e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c0aefafb6a464e6979cea8de25d9be3e28639b1e4d2cf7835a5c4806dd2724ab",
    "cross_cats_sorted": [
      "math.NA"
    ],
    "license": "http://creativecommons.org/publicdomain/zero/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2019-02-05T00:42:59Z",
    "title_canon_sha256": "68ace5a0d38fb2e7c9bd579a83fd1c2d4c0e640a5c97283fe19912f1c6ed10df"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.02632",
    "kind": "arxiv",
    "version": 1
  }
}