Pith Number

pith:ECRQGSRP

pith:2018:ECRQGSRPGHYDPG7UHF56AJLP5R

not attested not anchored not stored refs pending

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Costas Courcoubetis, Lingjie Duan, Yunpeng Li

arxiv:1812.00574 v1 · 2018-12-03 · cs.GT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ECRQGSRPGHYDPG7UHF56AJLP5R}

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	2026-05-17T23:59:20.974591Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

20a3034a2f31f0379bf4397be0256fec537c489443f39149a0def5c6d7332250

Aliases

arxiv: 1812.00574 · arxiv_version: 1812.00574v1 · doi: 10.48550/arxiv.1812.00574 · pith_short_12: ECRQGSRPGHYD · pith_short_16: ECRQGSRPGHYDPG7U · pith_short_8: ECRQGSRP

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/ECRQGSRPGHYDPG7UHF56AJLP5R \
  | 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: 20a3034a2f31f0379bf4397be0256fec537c489443f39149a0def5c6d7332250

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3ffc0d20151aa9035200eb81c8c2d2f5d948d370f91e2ea0629f2dfb81b6166c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.GT",
    "submitted_at": "2018-12-03T06:53:19Z",
    "title_canon_sha256": "6aded468acc2b2989499f6eae1bcb908d90d323ba6e4833645c1b8c0467d61e7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.00574",
    "kind": "arxiv",
    "version": 1
  }
}