Pith Number

pith:COWYHTKS

pith:2015:COWYHTKS4HP7WN3Q5MTRDGWMD5

not attested not anchored not stored refs pending

Mixing coded systems

Dawoud Ahmadi Dastjerdi, Maliheh Dabbaghian Amiri

arxiv:1507.08048 v1 · 2015-07-29 · math.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{COWYHTKS4HP7WN3Q5MTRDGWMD5}

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	2026-05-18T01:36:08.519029Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

13ad83cd52e1dffb3770eb27119acc1f5f664e12e4c216eef02f1542ee57870a

Aliases

arxiv: 1507.08048 · arxiv_version: 1507.08048v1 · doi: 10.48550/arxiv.1507.08048 · pith_short_12: COWYHTKS4HP7 · pith_short_16: COWYHTKS4HP7WN3Q · pith_short_8: COWYHTKS

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/COWYHTKS4HP7WN3Q5MTRDGWMD5 \
  | 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: 13ad83cd52e1dffb3770eb27119acc1f5f664e12e4c216eef02f1542ee57870a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7d15b5dbb3eb36f4e998e5764a2ff5ad5a5d5b8d322d7f3c61f78e8e250826d2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2015-07-29T08:18:06Z",
    "title_canon_sha256": "24a8a612c8156c79d5428fd82c60770f123243dafc147eade9ae2d43d6f55916"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1507.08048",
    "kind": "arxiv",
    "version": 1
  }
}