Pith Number

pith:DMXQ7ZAU

pith:2018:DMXQ7ZAU3B6MOV7Q6R5BD6FGP4

not attested not anchored not stored refs pending

Two (Known) Results About Graphs with No Short Odd Cycles

Saladi Rahul, Sariel Har-Peled

arxiv:1810.01832 v2 · 2018-10-03 · 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{DMXQ7ZAU3B6MOV7Q6R5BD6FGP4}

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	2026-05-18T00:04:07.148844Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1b2f0fe414d87cc757f0f47a11f8a67f242a92eed8ead4f789e544368f6314e1

Aliases

arxiv: 1810.01832 · arxiv_version: 1810.01832v2 · doi: 10.48550/arxiv.1810.01832 · pith_short_12: DMXQ7ZAU3B6M · pith_short_16: DMXQ7ZAU3B6MOV7Q · pith_short_8: DMXQ7ZAU

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/DMXQ7ZAU3B6MOV7Q6R5BD6FGP4 \
  | 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: 1b2f0fe414d87cc757f0f47a11f8a67f242a92eed8ead4f789e544368f6314e1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f16fbc7375fa0567916b69b19886056d17901b3078b4b58ecfbb2efb2c879692",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.DM",
    "submitted_at": "2018-10-03T16:31:24Z",
    "title_canon_sha256": "5a8852caf9773e086c8fcc6327adcb6b62072038e66f71d543ad4143abcaace5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.01832",
    "kind": "arxiv",
    "version": 2
  }
}