Pith Number

pith:RFU2V75A

pith:2006:RFU2V75AZADJMNZDM3ERNRRTMR

not attested not anchored not stored refs pending

Light superconducting strings in the Galaxy

Francesc Ferrer, Tanmay Vachaspati

arxiv:astro-ph/0608168 v1 · 2006-08-08 · 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{RFU2V75AZADJMNZDM3ERNRRTMR}

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	2026-07-04T15:25:50.930949Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8969aaffa0c80696372366c916c633647ce23fc9fdfb41351a90163d30366236

Aliases

arxiv: astro-ph/0608168 · arxiv_version: astro-ph/0608168v1 · doi: 10.48550/arxiv.astro-ph/0608168 · pith_short_12: RFU2V75AZADJ · pith_short_16: RFU2V75AZADJMNZD · pith_short_8: RFU2V75A

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/RFU2V75AZADJMNZDM3ERNRRTMR \
  | 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: 8969aaffa0c80696372366c916c633647ce23fc9fdfb41351a90163d30366236

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a8f1c49f595ff643580405971b9c4fec8fce4eea4919202672e795c4525ceb52",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2006-08-08T19:27:55Z",
    "title_canon_sha256": "fa5fb3be213092d8d1c951846dcdbc4b96ac99c7cd8f3f5c3b8f025a70b48c5c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0608168",
    "kind": "arxiv",
    "version": 1
  }
}