Pith Number

pith:XPHKGX7D

pith:2017:XPHKGX7DPQU7M33UU4B7RB23JH

not attested not anchored not stored refs pending

Multi-Patch and Multi-Group Epidemic Models: A New Framework

Abderrahman Iggidr, Derdei Bichara

arxiv:1703.04554 v2 · 2017-03-13 · q-bio.PE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XPHKGX7DPQU7M33UU4B7RB23JH}

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	2026-05-18T00:29:51.799872Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bbcea35fe37c29f66f74a703f8875b49d9b23ce375a78eae262931652c790147

Aliases

arxiv: 1703.04554 · arxiv_version: 1703.04554v2 · doi: 10.48550/arxiv.1703.04554 · pith_short_12: XPHKGX7DPQU7 · pith_short_16: XPHKGX7DPQU7M33U · pith_short_8: XPHKGX7D

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/XPHKGX7DPQU7M33UU4B7RB23JH \
  | 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: bbcea35fe37c29f66f74a703f8875b49d9b23ce375a78eae262931652c790147

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b2acdd6ed8a7ed15557300a704d2162df242fbd39d392aebe4468115c6916de5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.PE",
    "submitted_at": "2017-03-13T21:19:39Z",
    "title_canon_sha256": "775cfe57aa54ab74a7c56142796a672c54935c956c0059d5f6b93b1225c30598"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1703.04554",
    "kind": "arxiv",
    "version": 2
  }
}