Pith Number

pith:HFTSZB74

pith:2006:HFTSZB74IJOIFLBZV6RC2RPUXH

not attested not anchored not stored refs pending

A sharp uniqueness result for a class of variational problems solved by a distance function

A. Malusa, G. Crasta

arxiv:math/0612600 v1 · 2006-12-20 · math.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HFTSZB74IJOIFLBZV6RC2RPUXH}

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	2026-05-17T23:39:37.457402Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

39672c87fc425c82ac39afa22d45f4b9ee397d94e45c37572a2ec5fee5c98ecf

Aliases

arxiv: math/0612600 · arxiv_version: math/0612600v1 · doi: 10.48550/arxiv.math/0612600 · pith_short_12: HFTSZB74IJOI · pith_short_16: HFTSZB74IJOIFLBZ · pith_short_8: HFTSZB74

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/HFTSZB74IJOIFLBZV6RC2RPUXH \
  | 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: 39672c87fc425c82ac39afa22d45f4b9ee397d94e45c37572a2ec5fee5c98ecf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e279f1e4ce2a5eb6ffe2e9b727ad8210618c762bde7cc857b7678fe87678579a",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "math.AP",
    "submitted_at": "2006-12-20T14:53:49Z",
    "title_canon_sha256": "8f714965129eedc4acd55f5283620cdb6638de076b1eab76a5097c07fd662539"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/0612600",
    "kind": "arxiv",
    "version": 1
  }
}