Pith Number

pith:UR7LZDRE

pith:2017:UR7LZDREEQOYX3B3VMHLFAMQT7

not attested not anchored not stored refs pending

Cosmology and the Origin of the Universe: Historical and Conceptual Perspectives

Helge Kragh

arxiv:1706.00726 v1 · 2017-06-02 · physics.hist-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UR7LZDREEQOYX3B3VMHLFAMQT7}

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	2026-05-18T00:43:10.206135Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a47ebc8e24241d8bec3bab0eb281909fe2bb8e12ab30a1fc96dc9b7eab73c2d6

Aliases

arxiv: 1706.00726 · arxiv_version: 1706.00726v1 · doi: 10.48550/arxiv.1706.00726 · pith_short_12: UR7LZDREEQOY · pith_short_16: UR7LZDREEQOYX3B3 · pith_short_8: UR7LZDRE

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/UR7LZDREEQOYX3B3VMHLFAMQT7 \
  | 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: a47ebc8e24241d8bec3bab0eb281909fe2bb8e12ab30a1fc96dc9b7eab73c2d6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "86e7dab5774dfea2d265e402b750d46ad2e44dde67ce4229e1809f3bbfb3b188",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.hist-ph",
    "submitted_at": "2017-06-02T15:40:44Z",
    "title_canon_sha256": "8d06989b2464c5f754fe91b447424fba5a0f013473ec1f26fa7705ef7214d0dd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1706.00726",
    "kind": "arxiv",
    "version": 1
  }
}