Pith Number

pith:THTHEUIV

pith:2018:THTHEUIV2BD3VHVGZZHKCNGY5A

not attested not anchored not stored refs pending

Impact of radiation backgrounds on the formation of massive black holes

C. Olave, D.R.G. Schleicher, P. Fibla, R. Riaz, S. Bovino, S. Vanaverbeke, V.B. D\'iaz

arxiv:1812.01565 v1 · 2018-12-04 · 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{THTHEUIV2BD3VHVGZZHKCNGY5A}

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	2026-05-17T23:59:10.475132Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

99e6725115d047ba9ea6ce4ea134d8e809d69792a4b605834422c53a84f548fc

Aliases

arxiv: 1812.01565 · arxiv_version: 1812.01565v1 · doi: 10.48550/arxiv.1812.01565 · pith_short_12: THTHEUIV2BD3 · pith_short_16: THTHEUIV2BD3VHVG · pith_short_8: THTHEUIV

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/THTHEUIV2BD3VHVGZZHKCNGY5A \
  | 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: 99e6725115d047ba9ea6ce4ea134d8e809d69792a4b605834422c53a84f548fc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9acd5d77454de7394bc4db6e97e92ff3abc5abdca0a488e6d05f0bde6b17ce64",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-12-04T18:12:15Z",
    "title_canon_sha256": "8f5f459671fa9441a20cb7b9453408436cc7cc98d6c2545b0c59dd8159daaf26"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.01565",
    "kind": "arxiv",
    "version": 1
  }
}