Pith Number

pith:D5UMWCMN

pith:2010:D5UMWCMNQCOFNARFSQRYM5POMQ

not attested not anchored not stored refs pending

INTEGRAL and Swift/XRT observations of the source PKS 0208-512

Diego F. Torres, Jian-Min Wang, Michael Lang, Shuang-Nan Zhang, Shu Zhang, Werner Collmar

arxiv:1002.4030 v1 · 2010-02-22 · astro-ph.CO · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{D5UMWCMNQCOFNARFSQRYM5POMQ}

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	2026-05-18T02:08:58.356797Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1f68cb098d809c56822594238675ee640d11f711b8de50c8dd7ed9ff25861888

Aliases

arxiv: 1002.4030 · arxiv_version: 1002.4030v1 · doi: 10.48550/arxiv.1002.4030 · pith_short_12: D5UMWCMNQCOF · pith_short_16: D5UMWCMNQCOFNARF · pith_short_8: D5UMWCMN

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/D5UMWCMNQCOFNARFSQRYM5POMQ \
  | 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: 1f68cb098d809c56822594238675ee640d11f711b8de50c8dd7ed9ff25861888

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "681846e80128df2ce1ad73552f0d688d291a59418756d5ced2415212156b6d56",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://creativecommons.org/licenses/by/3.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2010-02-22T00:43:46Z",
    "title_canon_sha256": "b112970b22f0ffdd691a2471699d38993c113dbf3f455af6fcc95f3c4e5b2d01"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1002.4030",
    "kind": "arxiv",
    "version": 1
  }
}