Pith Number

pith:5DV24ZPJ

pith:2006:5DV24ZPJSX6SHEYUVENMBK6VHW

not attested not anchored not stored refs pending

Towards the Event Horizon - High Resolution VLBI Imaging of Nuclei of Active Galaxies

A.E.E. Rogers, A. Greve, A. Witzel, D.A. Graham, H. Fagg, J.A. Zensus, L. Ziurys, M. Bremer, M. Grewing, P. Strittmatter, R.B. Phillips, S. Doeleman, T.P. Krichbaum

arxiv:astro-ph/0607077 v1 · 2006-07-05 · 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{5DV24ZPJSX6SHEYUVENMBK6VHW}

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	2026-05-18T01:40:30.118477Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e8ebae65e995fd239314a91ac0abd53da69365ac01def4e911f92421277f8eb3

Aliases

arxiv: astro-ph/0607077 · arxiv_version: astro-ph/0607077v1 · doi: 10.48550/arxiv.astro-ph/0607077 · pith_short_12: 5DV24ZPJSX6S · pith_short_16: 5DV24ZPJSX6SHEYU · pith_short_8: 5DV24ZPJ

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/5DV24ZPJSX6SHEYUVENMBK6VHW \
  | 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: e8ebae65e995fd239314a91ac0abd53da69365ac01def4e911f92421277f8eb3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "eeaa4cc4c5386300bf8eb7437049066306b8203c122f3b9215bd2c88cadf9a88",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2006-07-05T15:28:01Z",
    "title_canon_sha256": "5ab83ea5e52294f398d86a9378fe698460d4d7fa7440f547f094d5d2550b88b7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0607077",
    "kind": "arxiv",
    "version": 1
  }
}