Pith Number

pith:J4Y755ZL

pith:2017:J4Y755ZLME34XCQS2AAAEGGXRF

not attested not anchored not stored refs pending

A Distance Estimate to the Cygnus Loop Based on the Distances to Two Stars Located Within the Remnant

Christine S. Black, Dan Milisavljevic, Jack M. M. Neustadt, Robert A. Fesen

arxiv:1711.02174 v3 · 2017-11-06 · 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{J4Y755ZLME34XCQS2AAAEGGXRF}

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	2026-05-18T00:24:48.517202Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4f31fef72b6137cb8a12d0000218d78956dac5cb89e69e13feceafea4d768f79

Aliases

arxiv: 1711.02174 · arxiv_version: 1711.02174v3 · doi: 10.48550/arxiv.1711.02174 · pith_short_12: J4Y755ZLME34 · pith_short_16: J4Y755ZLME34XCQS · pith_short_8: J4Y755ZL

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/J4Y755ZLME34XCQS2AAAEGGXRF \
  | 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: 4f31fef72b6137cb8a12d0000218d78956dac5cb89e69e13feceafea4d768f79

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "55cc0f0fa0aacb6c5dac83d42f71adbf221e3939536a8308b299eb6cbfa1e536",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2017-11-06T21:03:11Z",
    "title_canon_sha256": "3f6c0ab4f6dbebdb4c918fc5c23b23e73b4d839b4408f870dde5a4dc5a40ad45"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1711.02174",
    "kind": "arxiv",
    "version": 3
  }
}