Pith Number

pith:646LTTWU

pith:1998:646LTTWUTMZXV2QAZPAROYNRKM

not attested not anchored not stored refs pending

BeppoSAX Observations of PKS 2155-304 during an active Gamma-ray State

A. Celotti, A. Treves, E. Pian, F. Tavecchio, G. Fossati, G. Ghisellini, G. Tagliaferri, L. Chiappetti, L. Maraschi, P. Giommi, Y.H. Zhang

arxiv:astro-ph/9808177 v1 · 1998-08-18 · 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{646LTTWUTMZXV2QAZPAROYNRKM}

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	2026-07-04T14:15:58.392364Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f73cb9ced49b337aea00cbc11761b153048ef66a0c26994b33e1e8813dce4104

Aliases

arxiv: astro-ph/9808177 · arxiv_version: astro-ph/9808177v1 · doi: 10.48550/arxiv.astro-ph/9808177 · pith_short_12: 646LTTWUTMZX · pith_short_16: 646LTTWUTMZXV2QA · pith_short_8: 646LTTWU

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/646LTTWUTMZXV2QAZPAROYNRKM \
  | 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: f73cb9ced49b337aea00cbc11761b153048ef66a0c26994b33e1e8813dce4104

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cb185eeba43709d1e07b1d99c38c86c851d88f85ab8a17abe871537d10b3992b",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1998-08-18T09:27:32Z",
    "title_canon_sha256": "6892fa25f001ea480791e427d9561e3f4b34ff11af0afb73a0e9c93c3a1e18ec"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9808177",
    "kind": "arxiv",
    "version": 1
  }
}