Pith Number

pith:TGD7Q3TN

pith:2015:TGD7Q3TN3Z2FVTWLQ74W6TM7FW

not attested not anchored not stored refs pending

Forests of chord diagrams with a given number of trees

Huseyin Acan

arxiv:1501.01492 v1 · 2015-01-07 · 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{TGD7Q3TN3Z2FVTWLQ74W6TM7FW}

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	2026-05-18T02:29:54.001206Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9987f86e6dde745acecb87f96f4d9f2dbf4235fb02fe26de457cc04a82654f53

Aliases

arxiv: 1501.01492 · arxiv_version: 1501.01492v1 · doi: 10.48550/arxiv.1501.01492 · pith_short_12: TGD7Q3TN3Z2F · pith_short_16: TGD7Q3TN3Z2FVTWL · pith_short_8: TGD7Q3TN

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/TGD7Q3TN3Z2FVTWLQ74W6TM7FW \
  | 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: 9987f86e6dde745acecb87f96f4d9f2dbf4235fb02fe26de457cc04a82654f53

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e582c1fcd5e8c1fcd3ca5a7116944442ab9ab71f8bfe0f91b3c0a84b1b8021ba",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2015-01-07T13:48:36Z",
    "title_canon_sha256": "c079ca991fefb88bb2be4f07756ec860604cc32b944c560072a59fa9d05379f8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1501.01492",
    "kind": "arxiv",
    "version": 1
  }
}