Pith Number

pith:LHMQ6GAU

pith:2014:LHMQ6GAUW7SMU64PJF5M2QHJAR

not attested not anchored not stored refs pending

The Chandra Cygnus OB2 Legacy Survey: Design and X-ray Point Source Catalog

Antonella Fruscione, Francesco Damiani, Jeremy J. Drake, Joe DePasquale, Mario G. Guarcello, Nicholas J. Wright, Tom L. Aldcroft, Vinay L. Kashyap

arxiv:1408.6579 v1 · 2014-08-27 · astro-ph.SR · 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{LHMQ6GAUW7SMU64PJF5M2QHJAR}

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	2026-05-18T02:44:01.288944Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

59d90f1814b7e4ca7b8f497acd40e904502dcf6e6cb9348ad6324ffd61ad2d70

Aliases

arxiv: 1408.6579 · arxiv_version: 1408.6579v1 · doi: 10.48550/arxiv.1408.6579 · pith_short_12: LHMQ6GAUW7SM · pith_short_16: LHMQ6GAUW7SMU64P · pith_short_8: LHMQ6GAU

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/LHMQ6GAUW7SMU64PJF5M2QHJAR \
  | 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: 59d90f1814b7e4ca7b8f497acd40e904502dcf6e6cb9348ad6324ffd61ad2d70

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "74633224677691b78e3c3f4e6d9394dd9ef7bc493431a9ffae7bb0868a0faf91",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2014-08-27T22:15:33Z",
    "title_canon_sha256": "a7d9db0d565e119b09eb5ca7d0ed4d04236d305761ccadab46db5729d34a4763"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1408.6579",
    "kind": "arxiv",
    "version": 1
  }
}