Pith Number

pith:JIH2BTOY

pith:2017:JIH2BTOYKI6RBZP7I42DGK7FTB

not attested not anchored not stored refs pending

Impact of ultraluminous X-ray sources on photoabsorption in the first galaxies

Ildar Khabibullin, Sergey Sazonov

arxiv:1712.04831 v2 · 2017-12-13 · astro-ph.HE · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JIH2BTOYKI6RBZP7I42DGK7FTB}

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	2026-05-18T00:21:20.968771Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4a0fa0cdd8523d10e5ff4734332be59873c67773d2ab0c739d6a612bf13c948e

Aliases

arxiv: 1712.04831 · arxiv_version: 1712.04831v2 · doi: 10.48550/arxiv.1712.04831 · pith_short_12: JIH2BTOYKI6R · pith_short_16: JIH2BTOYKI6RBZP7 · pith_short_8: JIH2BTOY

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/JIH2BTOYKI6RBZP7I42DGK7FTB \
  | 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: 4a0fa0cdd8523d10e5ff4734332be59873c67773d2ab0c739d6a612bf13c948e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5e404450ca52e5da5b885aebfcfa74a1671c5ac91cd217ffb7d16d3c4434d791",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2017-12-13T16:01:28Z",
    "title_canon_sha256": "a0081d442561e4051f2bd90f81b3f2ac38d3d21f3cb5449f0b03de8e470840e3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1712.04831",
    "kind": "arxiv",
    "version": 2
  }
}