Pith Number

pith:6XWMSZWG

pith:2013:6XWMSZWGMQ4RVCUJZXWORO7KOB

not attested not anchored not stored refs pending

Equivalences of 5-dimensional CR-manifolds V: Six initial frames and coframes; Explicitness obstacles

Joel Merker (LM-Orsay)

arxiv:1312.3581 v1 · 2013-12-12 · math.CV · math.AG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6XWMSZWGMQ4RVCUJZXWORO7KOB}

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	2026-05-18T03:04:50.482404Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f5ecc966c664391a8a89cdece8bbea705cbdf9f272896fc40bd231638a46b1ed

Aliases

arxiv: 1312.3581 · arxiv_version: 1312.3581v1 · doi: 10.48550/arxiv.1312.3581 · pith_short_12: 6XWMSZWGMQ4R · pith_short_16: 6XWMSZWGMQ4RVCUJ · pith_short_8: 6XWMSZWG

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/6XWMSZWGMQ4RVCUJZXWORO7KOB \
  | 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: f5ecc966c664391a8a89cdece8bbea705cbdf9f272896fc40bd231638a46b1ed

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d0050ceeee61bff940dc764b368ca2c94ef512308e71d9f88c206a336116e1f4",
    "cross_cats_sorted": [
      "math.AG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CV",
    "submitted_at": "2013-12-12T18:38:08Z",
    "title_canon_sha256": "7785a2736863ddb6b85b29245530668dd3c0d4eb3006f2c448182d60fd3633b0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1312.3581",
    "kind": "arxiv",
    "version": 1
  }
}