Pith Number

pith:YDXAMC5E

pith:2015:YDXAMC5EV7TICA73M3ILC35T65

not attested not anchored not stored refs pending

Edge-b-coloring Trees

Ana Silva, Victor Campos

arxiv:1511.05422 v1 · 2015-11-17 · cs.DM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YDXAMC5EV7TICA73M3ILC35T65}

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	2026-05-18T01:26:40.292676Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c0ee060ba4afe68103fb66d0b16fb3f774b91b25fa5fda864bcc9232aff82096

Aliases

arxiv: 1511.05422 · arxiv_version: 1511.05422v1 · doi: 10.48550/arxiv.1511.05422 · pith_short_12: YDXAMC5EV7TI · pith_short_16: YDXAMC5EV7TICA73 · pith_short_8: YDXAMC5E

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/YDXAMC5EV7TICA73M3ILC35T65 \
  | 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: c0ee060ba4afe68103fb66d0b16fb3f774b91b25fa5fda864bcc9232aff82096

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ac2955288864dab912d392f897a3d0fd648f5301b7a50a616210231c0256efbe",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DM",
    "submitted_at": "2015-11-17T14:50:08Z",
    "title_canon_sha256": "c05d61647a968bcb243d076b0ea8e8ccf745a36f7e40e6cfcc1a8a39086949ac"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1511.05422",
    "kind": "arxiv",
    "version": 1
  }
}