Pith Number

pith:6FFPWBSE

pith:2015:6FFPWBSE3YMUHA4SPOPAERSBMA

not attested not anchored not stored refs pending

Surreal numbers, derivations and transseries

Alessandro Berarducci, Vincenzo Mantova

arxiv:1503.00315 v3 · 2015-03-01 · math.LO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6FFPWBSE3YMUHA4SPOPAERSBMA}

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	2026-05-18T00:23:02.158882Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f14afb0644de194383927b9e0246416018395dec6dcaad02ca5263f5c872ec81

Aliases

arxiv: 1503.00315 · arxiv_version: 1503.00315v3 · doi: 10.48550/arxiv.1503.00315 · pith_short_12: 6FFPWBSE3YMU · pith_short_16: 6FFPWBSE3YMUHA4S · pith_short_8: 6FFPWBSE

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/6FFPWBSE3YMUHA4SPOPAERSBMA \
  | 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: f14afb0644de194383927b9e0246416018395dec6dcaad02ca5263f5c872ec81

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a2c240848776c9b397d14c6d7bf887211a7bf59956b401fba0952ea3b2b27bcd",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2015-03-01T17:33:51Z",
    "title_canon_sha256": "9109e8a4687f6f751abbc07baf85401434e625de870a4ee4bd59fc3065252ed6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1503.00315",
    "kind": "arxiv",
    "version": 3
  }
}