Pith Number

pith:TYLASYNN

pith:2013:TYLASYNNHIHWEIFPM7UZDRG43B

not attested not anchored not stored refs pending

Cyclic models of the relativistic universe: the early history

Helge Kragh

arxiv:1308.0932 v1 · 2013-08-05 · 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{TYLASYNNHIHWEIFPM7UZDRG43B}

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	2026-05-18T03:16:41.106279Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9e160961ad3a0f6220af67e991c4dcd85607a814662b72166c243380b1d674f0

Aliases

arxiv: 1308.0932 · arxiv_version: 1308.0932v1 · doi: 10.48550/arxiv.1308.0932 · pith_short_12: TYLASYNNHIHW · pith_short_16: TYLASYNNHIHWEIFP · pith_short_8: TYLASYNN

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/TYLASYNNHIHWEIFPM7UZDRG43B \
  | 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: 9e160961ad3a0f6220af67e991c4dcd85607a814662b72166c243380b1d674f0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b57066ca37c83418593eb347b4561df7e76dbf71dbc0a6e881aa1880620a27b2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.hist-ph",
    "submitted_at": "2013-08-05T10:52:41Z",
    "title_canon_sha256": "bc76fc66381d4149ef4d39d4e49adc216a832abda8122db622ebcf6fb0da116e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1308.0932",
    "kind": "arxiv",
    "version": 1
  }
}