Pith Number

pith:TLMQJBFU

pith:2020:TLMQJBFUM3Q73GABR2EVIS47WZ

not attested not anchored not stored refs pending

Bounds for flag codes

Sascha Kurz

arxiv:2005.04768 v3 · 2020-05-10 · math.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{TLMQJBFUM3Q73GABR2EVIS47WZ}

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	2026-07-05T03:21:05.351782Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9ad90484b466e1fd98018e89544b9fb6636b32d7d4b1ff782a5d2b40ff0b0fa2

Aliases

arxiv: 2005.04768 · arxiv_version: 2005.04768v3 · doi: 10.48550/arxiv.2005.04768 · pith_short_12: TLMQJBFUM3Q7 · pith_short_16: TLMQJBFUM3Q73GAB · pith_short_8: TLMQJBFU

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/TLMQJBFUM3Q73GABR2EVIS47WZ \
  | 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: 9ad90484b466e1fd98018e89544b9fb6636b32d7d4b1ff782a5d2b40ff0b0fa2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bffd60d64b73f9e9cdd00ba59d2cebaf8b762deac3503bde7172babb6fc70de4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2020-05-10T20:01:21Z",
    "title_canon_sha256": "b94d23eb89a9289b819596216ea35e50873e1cb9c69b6e5c28a4665c37e98aa7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2005.04768",
    "kind": "arxiv",
    "version": 3
  }
}