Pith Number

pith:SXGSYHDS

pith:2016:SXGSYHDSAWWMMDUIDH34GGVVZW

not attested not anchored not stored refs pending

The H$\alpha$ surface brightness $-$ radius plane as a diagnostic tool for photoionized nebulae

David J. Frew, Ivan S. Bojicic, Quentin A. Parker

arxiv:1603.00983 v1 · 2016-03-03 · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SXGSYHDSAWWMMDUIDH34GGVVZW}

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	2026-05-18T01:08:11.737172Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

95cd2c1c7205acc60e8819f7c31ab5cd8f59ff633958c0634e4ac8e131c3e1b3

Aliases

arxiv: 1603.00983 · arxiv_version: 1603.00983v1 · doi: 10.48550/arxiv.1603.00983 · pith_short_12: SXGSYHDSAWWM · pith_short_16: SXGSYHDSAWWMMDUI · pith_short_8: SXGSYHDS

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/SXGSYHDSAWWMMDUIDH34GGVVZW \
  | 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: 95cd2c1c7205acc60e8819f7c31ab5cd8f59ff633958c0634e4ac8e131c3e1b3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9cf6a822f100783d70c65ff4c5c0e18f0a5982133db93a6f3e4e5c77d66c01e2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2016-03-03T05:58:47Z",
    "title_canon_sha256": "1a0e1e0a38b01b5a3450b1474c7ffd2cf1bc0f8d55d4f80815478163dfb6a723"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1603.00983",
    "kind": "arxiv",
    "version": 1
  }
}