Pith Number

pith:TYFYDDVZ

pith:1999:TYFYDDVZKQGQ3QNZONCBR6JMAT

not attested not anchored not stored refs pending

Testing neutrino instability with active galactic nuclei

J. Maalampi, J.T. Peltoniemi (Univ. of Helsinki), P. Keranen

arxiv:hep-ph/9901403 v1 · 1999-01-25 · hep-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{TYFYDDVZKQGQ3QNZONCBR6JMAT}

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	2026-05-18T04:34:17.454560Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9e0b818eb9540d0dc1b9734418f92c04f097a88b93fa9f385bb4b5f3d48a72a9

Aliases

arxiv: hep-ph/9901403 · arxiv_version: hep-ph/9901403v1 · doi: 10.48550/arxiv.hep-ph/9901403 · pith_short_12: TYFYDDVZKQGQ · pith_short_16: TYFYDDVZKQGQ3QNZ · pith_short_8: TYFYDDVZ

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/TYFYDDVZKQGQ3QNZONCBR6JMAT \
  | 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: 9e0b818eb9540d0dc1b9734418f92c04f097a88b93fa9f385bb4b5f3d48a72a9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ea87d685e9efc2891ba8356b660bdc35fc3eed31561e95b57e630d433d84fff1",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "hep-ph",
    "submitted_at": "1999-01-25T18:28:02Z",
    "title_canon_sha256": "11da8436426170f69466d91a1b7cdb8630f413637192c8fd7166bb44f7111278"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-ph/9901403",
    "kind": "arxiv",
    "version": 1
  }
}