Pith Number

pith:WMJOGOK6

pith:2011:WMJOGOK6UM6CHJP3RG2L47GPWO

not attested not anchored not stored refs pending

Optical and Near-IR long-term monitoring of NGC3783 and MR2251-178: evidence for variable near-IR emission from thin accretion discs

E. Breedt, I. McHardy, P. Arevalo, P. Lira, P. Uttley

arxiv:1107.0099 v1 · 2011-07-01 · 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{WMJOGOK6UM6CHJP3RG2L47GPWO}

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	2026-05-18T02:01:26.142056Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b312e3395ea33c23a5fb89b4be7ccfb3a5a7b00d6acb779714e94653f7f3cf72

Aliases

arxiv: 1107.0099 · arxiv_version: 1107.0099v1 · doi: 10.48550/arxiv.1107.0099 · pith_short_12: WMJOGOK6UM6C · pith_short_16: WMJOGOK6UM6CHJP3 · pith_short_8: WMJOGOK6

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/WMJOGOK6UM6CHJP3RG2L47GPWO \
  | 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: b312e3395ea33c23a5fb89b4be7ccfb3a5a7b00d6acb779714e94653f7f3cf72

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "70e1fbba54271961ec9fa0139ea8f65dc955a3430c967ecb6e0bb231a383b95d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-07-01T03:45:54Z",
    "title_canon_sha256": "ef7c11df4e24b244d47e7d0f822fc2f141d378a2c390b8b5d72f90e0d80f1994"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1107.0099",
    "kind": "arxiv",
    "version": 1
  }
}