Pith Number

pith:PPKTL7V7

pith:2011:PPKTL7V7O5ESE2PDZABCN2IAKR

not attested not anchored not stored refs pending

TeV blazars and their distance

Elisa Prandini, Fabrizio Tavecchio, Giacomo Bonnoli, Laura Maraschi, Mose' Mariotti

arxiv:1101.5005 v2 · 2011-01-26 · astro-ph.CO · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PPKTL7V7O5ESE2PDZABCN2IAKR}

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	2026-05-18T02:22:49.629136Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7bd535febf77492269e3c80226e900545fedf14ce8b10bc46ccbccc932ef0394

Aliases

arxiv: 1101.5005 · arxiv_version: 1101.5005v2 · doi: 10.48550/arxiv.1101.5005 · pith_short_12: PPKTL7V7O5ES · pith_short_16: PPKTL7V7O5ESE2PD · pith_short_8: PPKTL7V7

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/PPKTL7V7O5ESE2PDZABCN2IAKR \
  | 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: 7bd535febf77492269e3c80226e900545fedf14ce8b10bc46ccbccc932ef0394

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a82fda377b153ce569855993b6cb86c645a8a1e247ba1d2b87519001066ca8ec",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-01-26T09:02:03Z",
    "title_canon_sha256": "14a94b39e88b86c4fe57ce5cd6b42bb74095771aa1e40412e616bee2db0354e4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1101.5005",
    "kind": "arxiv",
    "version": 2
  }
}