Pith Number

pith:EQNED7CD

pith:2016:EQNED7CDIBZLOUTIBSDINN3XOY

not attested not anchored not stored refs pending

Cygnus Loop: A double bubble?

GALFACTS team, I. Reichardt, J. Stil, J. West, R. Kothes, S. Safi-Harb, T. Jaffe

arxiv:1609.03428 v1 · 2016-09-12 · astro-ph.GA · 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{EQNED7CDIBZLOUTIBSDINN3XOY}

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	2026-05-18T01:04:46.974483Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

241a41fc434072b752680c8686b77776216c3022701aed7281af0152e25fb02b

Aliases

arxiv: 1609.03428 · arxiv_version: 1609.03428v1 · doi: 10.48550/arxiv.1609.03428 · pith_short_12: EQNED7CDIBZL · pith_short_16: EQNED7CDIBZLOUTI · pith_short_8: EQNED7CD

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/EQNED7CDIBZLOUTIBSDINN3XOY \
  | 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: 241a41fc434072b752680c8686b77776216c3022701aed7281af0152e25fb02b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fbc743d847207327d68eff3902e67e64b9990d1ca14b2da98e9f91d78389ff65",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2016-09-12T14:46:06Z",
    "title_canon_sha256": "f3efebb15f21d68ce23a217a58360afd486ff4658ac38bf685ede899d26f0b53"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1609.03428",
    "kind": "arxiv",
    "version": 1
  }
}