Pith Number

pith:V3CG66BL

pith:2012:V3CG66BLPDWJQB77WMV2FR5KTL

not attested not anchored not stored refs pending

Applying the Background-Source separation algorithm to Chandra Deep Field South data

F. Guglielmetti, H. Boehringer, P. Rosati, P. Tozzi, R. Fischer

arxiv:1202.0396 v1 · 2012-02-02 · astro-ph.IM · 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{V3CG66BLPDWJQB77WMV2FR5KTL}

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	2026-05-18T04:03:18.435396Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

aec46f782b78ec9807ffb32ba2c7aa9ae405018e72be3cad94cf02254c163dd9

Aliases

arxiv: 1202.0396 · arxiv_version: 1202.0396v1 · doi: 10.48550/arxiv.1202.0396 · pith_short_12: V3CG66BLPDWJ · pith_short_16: V3CG66BLPDWJQB77 · pith_short_8: V3CG66BL

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/V3CG66BLPDWJQB77WMV2FR5KTL \
  | 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: aec46f782b78ec9807ffb32ba2c7aa9ae405018e72be3cad94cf02254c163dd9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "df84196d3e7e9e9fd0fe69543593425fbe93821969e068595b36449472a6a0ab",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2012-02-02T10:02:35Z",
    "title_canon_sha256": "6e8365cefb3fbf5183058d89bed59b4c51836df5a7c3bf065c7b14e0ed3f27f7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1202.0396",
    "kind": "arxiv",
    "version": 1
  }
}