Pith Number

pith:EGAAKWGE

pith:2022:EGAAKWGEJBVLY5HTPUJUTG46U6

not attested not anchored not stored refs pending

Mechanical Analog for Cities

Eric Godat, Gholamreza Moghimi, Nicos Makris, Tue Vu

arxiv:2205.06759 v2 · 2022-05-13 · physics.soc-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EGAAKWGEJBVLY5HTPUJUTG46U6}

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	2026-07-05T05:50:06.081857Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

21800558c4486abc74f37d13499b9ea79ddb0fbc0b58f18f4f0e824afbb1ca82

Aliases

arxiv: 2205.06759 · arxiv_version: 2205.06759v2 · doi: 10.48550/arxiv.2205.06759 · pith_short_12: EGAAKWGEJBVL · pith_short_16: EGAAKWGEJBVLY5HT · pith_short_8: EGAAKWGE

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/EGAAKWGEJBVLY5HTPUJUTG46U6 \
  | 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: 21800558c4486abc74f37d13499b9ea79ddb0fbc0b58f18f4f0e824afbb1ca82

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ad85367b976db823d369a2ec00606b7ebe4af34296f539b7ba4443db77af18af",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.soc-ph",
    "submitted_at": "2022-05-13T16:43:11Z",
    "title_canon_sha256": "bb28aa8e5dc79b71a1a6b0ceb385fd0bd9224936632d1a7a4514a2c1fa4bf79a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2205.06759",
    "kind": "arxiv",
    "version": 2
  }
}