Pith Number

pith:2HG5355O

pith:2017:2HG5355OXDO4U4QX4KSQSMCCDH

not attested not anchored not stored refs pending

Compton thick absorber in type 1 quasar 3C 345 revealed by Suzaku and Swift/BAT

Satoshi Eguchi

arxiv:1703.08477 v1 · 2017-03-24 · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2HG5355OXDO4U4QX4KSQSMCCDH}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T00:43:26.126289Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d1cdddf7aeb8ddca7217e2a509304219da39134ce62900f012dc2ec30ec8dd83

Aliases

arxiv: 1703.08477 · arxiv_version: 1703.08477v1 · doi: 10.48550/arxiv.1703.08477 · pith_short_12: 2HG5355OXDO4 · pith_short_16: 2HG5355OXDO4U4QX · pith_short_8: 2HG5355O

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/2HG5355OXDO4U4QX4KSQSMCCDH \
  | 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: d1cdddf7aeb8ddca7217e2a509304219da39134ce62900f012dc2ec30ec8dd83

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e12b56ed52bd7a84198882540081a6be0c22fda20e7d6403e5162df6398fa57e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2017-03-24T15:49:09Z",
    "title_canon_sha256": "ab32da105ff1a0d60ab717327b37f9b976461029bcb7b934dbcfc4a8e07c1c8f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1703.08477",
    "kind": "arxiv",
    "version": 1
  }
}