Pith Number

pith:H2L7D6WZ

pith:2012:H2L7D6WZ2OPO7EM4MEDLUBEG2M

not attested not anchored not stored refs pending

Athena (Advanced Telescope for High ENergy Astrophysics) Assessment Study Report for ESA Cosmic Vision 2015-2025

A.C. Fabian, A. Decourchelle, D. Barret, D. Lumb, ESA Study Team), G. Matt, Ground Segment Working Group, H. Kunieda, Instrument Working Group, J.-W. den Herder, K. Nandra, L. Piro, L. Str\"uder, M.G. Watson, N.E. White, N. Rando, R. Fraga-Encinas, R.K. Smith, R. Willingale (with the help from Athena's Science Working Group, S. Sciortino, T. Dotani, Telescope Working Group, X. Barcons

arxiv:1207.2745 v1 · 2012-07-11 · astro-ph.HE · astro-ph.IM

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	2026-05-18T03:51:14.642387Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3e97f1fad9d39eef919c6106ba0486d32fa0f0a8ae729f886dedf6c56ed6f635

Aliases

arxiv: 1207.2745 · arxiv_version: 1207.2745v1 · doi: 10.48550/arxiv.1207.2745 · pith_short_12: H2L7D6WZ2OPO · pith_short_16: H2L7D6WZ2OPO7EM4 · pith_short_8: H2L7D6WZ

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/H2L7D6WZ2OPO7EM4MEDLUBEG2M \
  | 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: 3e97f1fad9d39eef919c6106ba0486d32fa0f0a8ae729f886dedf6c56ed6f635

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "46f01e2924317d8bc1168dea566537929f57531f9680f56c4dc9dc553e8e7773",
    "cross_cats_sorted": [
      "astro-ph.IM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2012-07-11T18:46:58Z",
    "title_canon_sha256": "92d0003e70460d03912dcfaf8bea22a9019f7065db5e81f6f3c2d8a2638df373"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1207.2745",
    "kind": "arxiv",
    "version": 1
  }
}