Pith Number

pith:IA3MCWHP

pith:2017:IA3MCWHPJKZ5F6G5HDDTQKSQMD

not attested not anchored not stored refs pending

Multi-frequency databases for AGN investigation - Results and perspectives

Enrico Congiu, Giovanni La Mura, Marco Berton, Michele Frezzato, Piero Rafanelli, Sina Chen, Stefano Ciroi, Valentina Cracco

arxiv:1710.01274 v1 · 2017-10-03 · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IA3MCWHPJKZ5F6G5HDDTQKSQMD}

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	2026-05-18T00:33:44.783020Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4036c158ef4ab3d2f8dd38c7382a5060da84be91fe3db73e5f53ad38cca8cc63

Aliases

arxiv: 1710.01274 · arxiv_version: 1710.01274v1 · doi: 10.48550/arxiv.1710.01274 · pith_short_12: IA3MCWHPJKZ5 · pith_short_16: IA3MCWHPJKZ5F6G5 · pith_short_8: IA3MCWHP

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/IA3MCWHPJKZ5F6G5HDDTQKSQMD \
  | 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: 4036c158ef4ab3d2f8dd38c7382a5060da84be91fe3db73e5f53ad38cca8cc63

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "26fb9f0ea5d01c58108212d0702e93959d551bd723f3ea87eaaa987277316287",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2017-10-03T16:56:11Z",
    "title_canon_sha256": "6d49b4a8f08627b245015ff88295f457b694745b5f0cd21e81d0c25c7b9eb2b6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1710.01274",
    "kind": "arxiv",
    "version": 1
  }
}