Pith Number

pith:RCBAMMHX

pith:2017:RCBAMMHXGXDH46JWW3CPEQWHHN

not attested not anchored not stored refs pending

Pre-heating of the intergalactic medium by gravitational collapse and ultraviolet background

Long-long Feng, Weishan Zhu

arxiv:1709.00709 v1 · 2017-09-03 · astro-ph.GA · 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{RCBAMMHXGXDH46JWW3CPEQWHHN}

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	2026-05-18T00:34:17.369069Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

88820630f735c67e7936b6c4f242c73b595dd96af8c85d2370d03440dc45a283

Aliases

arxiv: 1709.00709 · arxiv_version: 1709.00709v1 · doi: 10.48550/arxiv.1709.00709 · pith_short_12: RCBAMMHXGXDH · pith_short_16: RCBAMMHXGXDH46JW · pith_short_8: RCBAMMHX

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/RCBAMMHXGXDH46JWW3CPEQWHHN \
  | 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: 88820630f735c67e7936b6c4f242c73b595dd96af8c85d2370d03440dc45a283

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "db51fa31f37c8843ccda0308450b68717fefe7b6eea8158d74472f18a51a6faf",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2017-09-03T12:49:04Z",
    "title_canon_sha256": "de6e7624af4faf24d831b125c0b33258e3700401a3453062972e8ab4b7fa56f1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1709.00709",
    "kind": "arxiv",
    "version": 1
  }
}