Pith Number

pith:PYTIKYOG

pith:2018:PYTIKYOGDYMU2ZSGHBEZK5H2OI

not attested not anchored not stored refs pending

Srishti Dhar Chatterji (1935-2017): In Memoriam

Robert C. Dalang, V.S. Varadarajan

arxiv:1810.03441 v1 · 2018-09-27 · math.HO · math.PR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PYTIKYOGDYMU2ZSGHBEZK5H2OI}

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	2026-05-18T00:03:51.263344Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7e268561c61e194d664638499574fa72398552cfe2bcbd164a546dd86d338e46

Aliases

arxiv: 1810.03441 · arxiv_version: 1810.03441v1 · doi: 10.48550/arxiv.1810.03441 · pith_short_12: PYTIKYOGDYMU · pith_short_16: PYTIKYOGDYMU2ZSG · pith_short_8: PYTIKYOG

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/PYTIKYOGDYMU2ZSGHBEZK5H2OI \
  | 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: 7e268561c61e194d664638499574fa72398552cfe2bcbd164a546dd86d338e46

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ed4c28c5d65d183f1d62d25d1b1f780e73ee9cb81eebd263162d0899a58f383d",
    "cross_cats_sorted": [
      "math.PR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.HO",
    "submitted_at": "2018-09-27T07:56:43Z",
    "title_canon_sha256": "0cf92eb813fb3ddd48c6cba26ac4f3688149084910f2cf92909c0cf85b9d8bb6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.03441",
    "kind": "arxiv",
    "version": 1
  }
}