Pith Number

pith:T4R4QE4W

pith:2007:T4R4QE4WQMR3S22TRJ2QCYJB4R

not attested not anchored not stored refs pending

Results from the Blazar Monitoring Campaign at the Whipple 10m Gamma-ray Telescope

A. C. Sadun, A. Lahteenmaki, David Steele (for the VERITAS Collaboration), M. T. Carini, M. Villata, O. Kurtanidze, P. Charlot, T. Montaruli

arxiv:0709.3869 v1 · 2007-09-25 · 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{T4R4QE4WQMR3S22TRJ2QCYJB4R}

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	2026-07-04T23:56:04.821580Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9f23c813968323b96b538a75016121e44af53c4d3c9ea72d5e440d1134b87b7a

Aliases

arxiv: 0709.3869 · arxiv_version: 0709.3869v1 · doi: 10.48550/arxiv.0709.3869 · pith_short_12: T4R4QE4WQMR3 · pith_short_16: T4R4QE4WQMR3S22T · pith_short_8: T4R4QE4W

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/T4R4QE4WQMR3S22TRJ2QCYJB4R \
  | 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: 9f23c813968323b96b538a75016121e44af53c4d3c9ea72d5e440d1134b87b7a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d8bab87cf60df99b36fdfb17e385220d5cc846a2147191130b70e4751550cf9c",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2007-09-25T03:10:56Z",
    "title_canon_sha256": "fcf66cd5563ff0a4cbe775d143736f2e5cfb2790fdf2d260b106600611870471"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0709.3869",
    "kind": "arxiv",
    "version": 1
  }
}