Pith Number

pith:DYIIBRS2

pith:2014:DYIIBRS2UHUNJ52EEWHRGHETMU

not attested not anchored not stored refs pending

The Aspects code for probabilistic cross-identification of astrophysical sources: documentation and complements

Michel Fioc

arxiv:1404.4224 v2 · 2014-04-16 · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DYIIBRS2UHUNJ52EEWHRGHETMU}

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	2026-05-18T02:39:38.141906Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1e1080c65aa1e8d4f744258f131c936539f2cdce5590d35b631f29524917e259

Aliases

arxiv: 1404.4224 · arxiv_version: 1404.4224v2 · doi: 10.48550/arxiv.1404.4224 · pith_short_12: DYIIBRS2UHUN · pith_short_16: DYIIBRS2UHUNJ52E · pith_short_8: DYIIBRS2

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/DYIIBRS2UHUNJ52EEWHRGHETMU \
  | 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: 1e1080c65aa1e8d4f744258f131c936539f2cdce5590d35b631f29524917e259

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "be8c8a6acd807c275b3145ef201afe3572bb425e8086713b6be8c8ffde4fbd93",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2014-04-16T12:42:56Z",
    "title_canon_sha256": "b7294f04c24a43e97f105ef667842cb35f1d7160c1ab2cb68b23aa619ebe248e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1404.4224",
    "kind": "arxiv",
    "version": 2
  }
}