Pith Number

pith:7GHYBAUD

pith:1999:7GHYBAUDAFEHKN73AI5VL4DS5F

not attested not anchored not stored refs pending

Search for Pulsed TeV Gamma-ray Emission from the Crab Pulsar

A.M. Burdett, A.M. Hillas, C. Masterson, D.A. Carter-Lewis, D.J. Fegan, F. Krennrich, F.W. Samuelson, G.H. Gillanders, G.H. Sembroski, H.J. Rose, I.H. Bond, J.A. Gaidos, J.H. Buckley, J.P. Finley, J. Quinn, M. Catanese, M. D'Vali, M.F. Cawley, M.J. Lang, P. Moriarty, R. Srinivasan, R.W. Lessard, S.M. Bradbury, T.C. Weekes, T. Hall, V.V. Vassiliev

arxiv:astro-ph/9912520 v1 · 1999-12-27 · 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{7GHYBAUDAFEHKN73AI5VL4DS5F}

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	2026-07-04T16:12:04.142255Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f98f80828301487537fb023b55f072e9503f965e12794292b0ec59385b509cda

Aliases

arxiv: astro-ph/9912520 · arxiv_version: astro-ph/9912520v1 · doi: 10.48550/arxiv.astro-ph/9912520 · pith_short_12: 7GHYBAUDAFEH · pith_short_16: 7GHYBAUDAFEHKN73 · pith_short_8: 7GHYBAUD

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/7GHYBAUDAFEHKN73AI5VL4DS5F \
  | 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: f98f80828301487537fb023b55f072e9503f965e12794292b0ec59385b509cda

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c21e4835229d89ffd03e2d75cf2473108c9e930c34fefc46cc03ed845263bab7",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1999-12-27T16:45:16Z",
    "title_canon_sha256": "7cf2de88e03c3706e17d8325081a92fcdb9d91e21beb6b273c8912ec49c68fb7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9912520",
    "kind": "arxiv",
    "version": 1
  }
}