Pith Number

pith:2IGN6RAU

pith:2017:2IGN6RAUUKCDKPSRGUAKALD7QP

not attested not anchored not stored refs pending

Mid-infrared excess from the west hot spot of the radio galaxy Pictor A unveiled by WISE

Hideo Matsuhara, Kotaro Niinuma, Makoto Tashiro, Motoki Kino, Naoki Isobe, Shoko Koyama, Takao Nakagawa, Takehiko Wada

arxiv:1710.08221 v1 · 2017-10-23 · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2IGN6RAUUKCDKPSRGUAKALD7QP}

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	2026-05-18T00:28:13.180037Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d20cdf4414a284353e513500a02c7f83e9146e60c8c3d986884e8f3131627f9b

Aliases

arxiv: 1710.08221 · arxiv_version: 1710.08221v1 · doi: 10.48550/arxiv.1710.08221 · pith_short_12: 2IGN6RAUUKCD · pith_short_16: 2IGN6RAUUKCDKPSR · pith_short_8: 2IGN6RAU

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/2IGN6RAUUKCDKPSRGUAKALD7QP \
  | 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: d20cdf4414a284353e513500a02c7f83e9146e60c8c3d986884e8f3131627f9b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "815b7f13ffd8b2537bc983f3932221776d4ddcb60bb30c06beca3d8b3da2c704",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2017-10-23T11:59:59Z",
    "title_canon_sha256": "91767b09c85bd96045cdb7c4a68c7781f52174c7629fa54d356259079f35846b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1710.08221",
    "kind": "arxiv",
    "version": 1
  }
}