Pith Number

pith:SNP5NDPQ

pith:2012:SNP5NDPQQ7J5IXHQ6SHJ3ZNLOX

not attested not anchored not stored refs pending

A study of the long term variability of RX J1856.5-3754 with XMM-Newton

A. De Luca, A. Tiengo, F. Haberl, N. Sartore, R. Turolla, S. Mereghetti

arxiv:1206.3978 v1 · 2012-06-18 · 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{SNP5NDPQQ7J5IXHQ6SHJ3ZNLOX}

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	2026-05-18T03:53:18.226578Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

935fd68df087d3d45cf0f48e9de5ab75c3c8c456fdd29ab0ba1313bf25d2038b

Aliases

arxiv: 1206.3978 · arxiv_version: 1206.3978v1 · doi: 10.48550/arxiv.1206.3978 · pith_short_12: SNP5NDPQQ7J5 · pith_short_16: SNP5NDPQQ7J5IXHQ · pith_short_8: SNP5NDPQ

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/SNP5NDPQQ7J5IXHQ6SHJ3ZNLOX \
  | 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: 935fd68df087d3d45cf0f48e9de5ab75c3c8c456fdd29ab0ba1313bf25d2038b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b6747b5fb22dd3c90542e01f78e30b9b71b1aa881c186f5175955649556c2b1f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2012-06-18T16:19:37Z",
    "title_canon_sha256": "4a2aafcf334830a2d0d003d5a66ee0c010325fd4f9f6f6e71a4a86fb862ae410"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1206.3978",
    "kind": "arxiv",
    "version": 1
  }
}