Pith Number

pith:2QP42XZI

pith:2013:2QP42XZI6UACK662JLIY3P2S77

not attested not anchored not stored refs pending

Bott-Chern cohomology and q-complete domains

Daniele Angella, Simone Calamai

arxiv:1305.4011 v1 · 2013-05-17 · math.CV · math.DG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2QP42XZI6UACK662JLIY3P2S77}

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	2026-05-18T03:15:43.093592Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d41fcd5f28f500257bda4ad18dbf52ffdfc224921075ad5e2d552ba43044c881

Aliases

arxiv: 1305.4011 · arxiv_version: 1305.4011v1 · doi: 10.48550/arxiv.1305.4011 · pith_short_12: 2QP42XZI6UAC · pith_short_16: 2QP42XZI6UACK662 · pith_short_8: 2QP42XZI

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/2QP42XZI6UACK662JLIY3P2S77 \
  | 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: d41fcd5f28f500257bda4ad18dbf52ffdfc224921075ad5e2d552ba43044c881

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "85ee271c2a58e77af84efa8860ff05169bb45cb3b0b6a1db614c6fde8bcd36b5",
    "cross_cats_sorted": [
      "math.DG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CV",
    "submitted_at": "2013-05-17T08:30:13Z",
    "title_canon_sha256": "37e672d28e22d773b7d7a09017a5812b434d2cd25daeccc66637d2aa38d3e8f9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1305.4011",
    "kind": "arxiv",
    "version": 1
  }
}