Pith Number

pith:77MXCDEZ

pith:2001:77MXCDEZ2ZW2JUTCSXFI6YUZAO

not attested not anchored not stored refs pending

On the time variability of gamma-ray sources: A numerical analysis of variability indices

Diego F. Torres, Gustavo E. Romero, M. E. Pessah

arxiv:astro-ph/0104351 v2 · 2001-04-21 · astro-ph · gr-qc

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{77MXCDEZ2ZW2JUTCSXFI6YUZAO}

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	2026-07-04T16:23:15.978345Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ffd9710c99d66da4d26295ca8f629903a2967bc6b4cf84f71f76b3cf6ec60ddc

Aliases

arxiv: astro-ph/0104351 · arxiv_version: astro-ph/0104351v2 · doi: 10.48550/arxiv.astro-ph/0104351 · pith_short_12: 77MXCDEZ2ZW2 · pith_short_16: 77MXCDEZ2ZW2JUTC · pith_short_8: 77MXCDEZ

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/77MXCDEZ2ZW2JUTCSXFI6YUZAO \
  | 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: ffd9710c99d66da4d26295ca8f629903a2967bc6b4cf84f71f76b3cf6ec60ddc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1d2acf9ea8a55e4de7b583b994d6517cab4d592fdbd06a919a998d5344ef9c70",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2001-04-21T14:22:24Z",
    "title_canon_sha256": "35d10a362484a3d1d5be5440adb1bd50e8c0d88272a1bf884ba48ca69aa44ed3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0104351",
    "kind": "arxiv",
    "version": 2
  }
}