Pith Number

pith:ECI7SZHD

pith:2013:ECI7SZHDPKMDBH6O2X574UJADJ

not attested not anchored not stored refs pending

Less than one implies zero

Felix Schwenninger, Hans Zwart

arxiv:1310.6202 v2 · 2013-10-23 · math.FA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ECI7SZHDPKMDBH6O2X574UJADJ}

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	2026-05-18T01:03:44.708189Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2091f964e37a98309fced5fbfe51201a57866a0f349770d6fc9d45733ed1274a

Aliases

arxiv: 1310.6202 · arxiv_version: 1310.6202v2 · doi: 10.48550/arxiv.1310.6202 · pith_short_12: ECI7SZHDPKMD · pith_short_16: ECI7SZHDPKMDBH6O · pith_short_8: ECI7SZHD

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/ECI7SZHDPKMDBH6O2X574UJADJ \
  | 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: 2091f964e37a98309fced5fbfe51201a57866a0f349770d6fc9d45733ed1274a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5441e6f37e0ec617f389c4b44db3bf8bc9d6d50e0b5724d1b7e8853e9fa53230",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.FA",
    "submitted_at": "2013-10-23T12:24:25Z",
    "title_canon_sha256": "4f25b32075f76611c289273eacd60ca955c2243af49554186ae1691f7342105c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1310.6202",
    "kind": "arxiv",
    "version": 2
  }
}