Pith Number

pith:S6C7DPG7

pith:2011:S6C7DPG7X57BCIMQQSCVVATWTN

not attested not anchored not stored refs pending

Spectral Analysis of 1H0707-495 with XMM-Newton

H. Marshall, J. Svoboda, J. Wilms, M. Dovciak, M. Ehle, M. Santos-Lleo, N. Schartel, T. Dauser, V. Karas

arxiv:1112.1796 v2 · 2011-12-08 · astro-ph.HE · astro-ph.CO

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

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	2026-05-18T01:59:15.170863Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9785f1bcdfbf7e11219084855a82769b5fbb9ac3b9064269faed77707e5be81f

Aliases

arxiv: 1112.1796 · arxiv_version: 1112.1796v2 · doi: 10.48550/arxiv.1112.1796 · pith_short_12: S6C7DPG7X57B · pith_short_16: S6C7DPG7X57BCIMQ · pith_short_8: S6C7DPG7

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/S6C7DPG7X57BCIMQQSCVVATWTN \
  | 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: 9785f1bcdfbf7e11219084855a82769b5fbb9ac3b9064269faed77707e5be81f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8c516ef26066ae63033915bd1734a90619adea065abd62fa4539894b1c137481",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2011-12-08T09:50:16Z",
    "title_canon_sha256": "359e8c56d9120604f1f8b7616e8412f4b8ece1606235e8d6f8f245360a5c3431"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1112.1796",
    "kind": "arxiv",
    "version": 2
  }
}