Pith Number

pith:VUNM2PCJ

pith:2019:VUNM2PCJOQECSRUMP3EKTAQJXE

not attested not anchored not stored refs pending

Architecture and evolution of semantic networks in mathematics texts

Ann Sizemore Blevins, Danielle S. Bassett, Nicolas H. Christianson

arxiv:1908.04911 v2 · 2019-08-14 · cs.CL · physics.soc-ph · q-bio.NC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VUNM2PCJOQECSRUMP3EKTAQJXE}

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	2026-07-05T02:23:03.513073Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ad1acd3c49740829468c7ec8a98209b91180a93f19ec31e7db3266a37d33781c

Aliases

arxiv: 1908.04911 · arxiv_version: 1908.04911v2 · doi: 10.48550/arxiv.1908.04911 · pith_short_12: VUNM2PCJOQEC · pith_short_16: VUNM2PCJOQECSRUM · pith_short_8: VUNM2PCJ

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/VUNM2PCJOQECSRUMP3EKTAQJXE \
  | 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: ad1acd3c49740829468c7ec8a98209b91180a93f19ec31e7db3266a37d33781c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "32cd9b727221d87b8d89d199a68855aa07b276253920fc4b8dc7d0aadf76ab71",
    "cross_cats_sorted": [
      "physics.soc-ph",
      "q-bio.NC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2019-08-14T01:38:07Z",
    "title_canon_sha256": "0649a75851854c35f6a152c131a5c2c701f4fa12f250f2d4be9fccac93f6dbed"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.04911",
    "kind": "arxiv",
    "version": 2
  }
}