Pith Number

pith:5SVDHHZI

pith:2011:5SVDHHZIUA2H5KP5YELKULEKM3

not attested not anchored not stored refs pending

The Dirt on Dry Mergers

Arjun Dey, B. T. Soifer, Emeric Le Floc'h, Emma Cohen, Vandana Desai

arxiv:1102.2929 v2 · 2011-02-14 · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5SVDHHZIUA2H5KP5YELKULEKM3}

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	2026-05-18T02:03:11.124917Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ecaa339f28a0347ea9fdc116aa2c8a66e12d15057de6715d73959f3d1657ad24

Aliases

arxiv: 1102.2929 · arxiv_version: 1102.2929v2 · doi: 10.48550/arxiv.1102.2929 · pith_short_12: 5SVDHHZIUA2H · pith_short_16: 5SVDHHZIUA2H5KP5 · pith_short_8: 5SVDHHZI

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/5SVDHHZIUA2H5KP5YELKULEKM3 \
  | 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: ecaa339f28a0347ea9fdc116aa2c8a66e12d15057de6715d73959f3d1657ad24

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2c4eaf61a4701a095bf84a6135c471d365b79ab12bf141385fc3461f5071bcf8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-02-14T23:40:00Z",
    "title_canon_sha256": "f5a8f0c5257b86ff5f7a6e8f34619595db53ecdc16f160b09d5b6532f86a556b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1102.2929",
    "kind": "arxiv",
    "version": 2
  }
}