Pith Number

pith:2PTLM7DM

pith:1996:2PTLM7DML6GHVWX2IIZQM4UGF3

not attested not anchored not stored refs pending

Q.H.I. spaces

Valentin Ferenczi

arxiv:math/9601204 v1 · 1996-01-26 · 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{2PTLM7DML6GHVWX2IIZQM4UGF3}

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	2026-05-18T01:05:47.914393Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d3e6b67c6c5f8c7adafa42330672862ee02e481e153ed61e27c27d6bebbcd6c6

Aliases

arxiv: math/9601204 · arxiv_version: math/9601204v1 · doi: 10.48550/arxiv.math/9601204 · pith_short_12: 2PTLM7DML6GH · pith_short_16: 2PTLM7DML6GHVWX2 · pith_short_8: 2PTLM7DM

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/2PTLM7DML6GHVWX2IIZQM4UGF3 \
  | 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: d3e6b67c6c5f8c7adafa42330672862ee02e481e153ed61e27c27d6bebbcd6c6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c79bf70b6ccc389f454f586101a5761d13e9ef85de0fbfd1c31ddaaf8367c50d",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "math.FA",
    "submitted_at": "1996-01-26T00:00:00Z",
    "title_canon_sha256": "b66011f19d3bd3db2c480d21845bf9580b6a9030c274f41419570f58ed892651"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/9601204",
    "kind": "arxiv",
    "version": 1
  }
}