Pith Number

pith:T4QLPUFQ

pith:2007:T4QLPUFQJFNMMN357MMNFVKSJT

not attested not anchored not stored refs pending

Simultaneous Radio to (Sub-) mm-Monitoring of Variability and Spectral Shape Evolution of potential GLAST Blazars

A. C. S. Readhead, E. Angelakis, J. A. Zensus, L. Fuhrmann, T. P. Krichbaum

arxiv:0704.3944 v1 · 2007-04-30 · 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{T4QLPUFQJFNMMN357MMNFVKSJT}

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	2026-07-04T15:44:18.257607Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9f20b7d0b0495ac6377dfb18d2d5524cd9ad68b1a6feb4ac0782cae73db389df

Aliases

arxiv: 0704.3944 · arxiv_version: 0704.3944v1 · doi: 10.48550/arxiv.0704.3944 · pith_short_12: T4QLPUFQJFNM · pith_short_16: T4QLPUFQJFNMMN35 · pith_short_8: T4QLPUFQ

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/T4QLPUFQJFNMMN357MMNFVKSJT \
  | 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: 9f20b7d0b0495ac6377dfb18d2d5524cd9ad68b1a6feb4ac0782cae73db389df

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f86d7d98ca2ca7ea9c62dba77a4c604fe0d6914923f41eec4f9ae7dbd926ffd6",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2007-04-30T14:09:36Z",
    "title_canon_sha256": "264aeb9d55a71e573af80127b549a09dbaa4bf6fe8d5078efb991379ef1af1b7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0704.3944",
    "kind": "arxiv",
    "version": 1
  }
}