Pith Number

pith:XY4HP6WM

pith:1998:XY4HP6WMUHAFFMQMBKILSK5EXQ

not attested not anchored not stored refs pending

Search for Strange Matter by Heavy Ion Activation

A.O. Macchiavelli, E.B. Norman, F.S. Stephens, I.D. Goldman, I.Y. Lee, K. Nishiizumi, L.S. Schroeder, M.A. Deleplanque, M.C. Perillo Isaac, M.R. Dragowsky, P. Fallon, R. Clark, R-M. Larimer, R.W. MacLeod, Y.D. Chan

arxiv:astro-ph/9806147 v1 · 1998-06-10 · 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{XY4HP6WMUHAFFMQMBKILSK5EXQ}

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	2026-07-04T16:06:45.335183Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

be3877facca1c052b20c0a90b92ba4bc245989bfd617bdf3da864e6bab729422

Aliases

arxiv: astro-ph/9806147 · arxiv_version: astro-ph/9806147v1 · doi: 10.48550/arxiv.astro-ph/9806147 · pith_short_12: XY4HP6WMUHAF · pith_short_16: XY4HP6WMUHAFFMQM · pith_short_8: XY4HP6WM

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/XY4HP6WMUHAFFMQMBKILSK5EXQ \
  | 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: be3877facca1c052b20c0a90b92ba4bc245989bfd617bdf3da864e6bab729422

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0af8ce56bbfd08f8c66ed97fff96ee42453bad2163bf93c1b1c55464d985f462",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1998-06-10T16:28:32Z",
    "title_canon_sha256": "809613c1ad331994e90f321ffd047641b321c015d71f06954cf8207fe3ecdebe"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9806147",
    "kind": "arxiv",
    "version": 1
  }
}