Pith Number

pith:ULKPTLY3

pith:2005:ULKPTLY3DDMCSOSNHAKD7KMAMX

not attested not anchored not stored refs pending

Cosmological evolution of cosmic strings with time-dependent tension

Masahide Yamaguchi

arxiv:hep-ph/0503227 v2 · 2005-03-23 · hep-ph · astro-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{ULKPTLY3DDMCSOSNHAKD7KMAMX}

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	2026-07-04T16:55:38.240728Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a2d4f9af1b18d8293a4d38143fa98065cfbfe73244825f69cae41e4f3e5a721e

Aliases

arxiv: hep-ph/0503227 · arxiv_version: hep-ph/0503227v2 · doi: 10.48550/arxiv.hep-ph/0503227 · pith_short_12: ULKPTLY3DDMC · pith_short_16: ULKPTLY3DDMCSOSN · pith_short_8: ULKPTLY3

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/ULKPTLY3DDMCSOSNHAKD7KMAMX \
  | 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: a2d4f9af1b18d8293a4d38143fa98065cfbfe73244825f69cae41e4f3e5a721e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f49e864aba34b8c8c97a056f29e75196b2f42a20ccdf21faf443fb906f88fb9c",
    "cross_cats_sorted": [
      "astro-ph"
    ],
    "license": "",
    "primary_cat": "hep-ph",
    "submitted_at": "2005-03-23T07:29:33Z",
    "title_canon_sha256": "54b2581791b5cf9521ea9e1c638cd60e56e11a2ee7a96bee921909ad457ce818"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-ph/0503227",
    "kind": "arxiv",
    "version": 2
  }
}