Pith Number

pith:P2LIFIOP

pith:1999:P2LIFIOPMUZBLFSZHQZICDYYGK

not attested not anchored not stored refs pending

Cosmic microwave background anisotropy from wiggly strings

Levon Pogosian, Tanmay Vachaspati

arxiv:astro-ph/9903361 v4 · 1999-03-23 · 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{P2LIFIOPMUZBLFSZHQZICDYYGK}

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.

Cited by

1 paper in Pith

Echoes of Global Cosmic Strings

Receipt and verification

First computed	2026-05-18T01:08:01.252942Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7e9682a1cf65321596593c32810f1832b76d953f36fc5afdd474f3f1b243f78c

Aliases

arxiv: astro-ph/9903361 · arxiv_version: astro-ph/9903361v4 · doi: 10.48550/arxiv.astro-ph/9903361 · pith_short_12: P2LIFIOPMUZB · pith_short_16: P2LIFIOPMUZBLFSZ · pith_short_8: P2LIFIOP

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/P2LIFIOPMUZBLFSZHQZICDYYGK \
  | 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: 7e9682a1cf65321596593c32810f1832b76d953f36fc5afdd474f3f1b243f78c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ed2ffc6c5e84ce119f182328f9b82551ad83fdbe3bdc559c1bbd41de10de08a5",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1999-03-23T22:22:13Z",
    "title_canon_sha256": "f27719b6e44483f791c768aa30f4c340f733a9af9d75c092c1a713fe45029d50"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9903361",
    "kind": "arxiv",
    "version": 4
  }
}