Pith Number

pith:T2ETWOS7

pith:2013:T2ETWOS7Q3WKZMBRWUIHI7ZKHQ

not attested not anchored not stored refs pending

Panning for RRL Nuggets in the SDSS-DR9, Single Epoch Spectra

Eckhart Spalding, Nathan De Lee, Ronald Wilhelm

arxiv:1310.0550 v1 · 2013-10-02 · 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{T2ETWOS7Q3WKZMBRWUIHI7ZKHQ}

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	2026-05-18T03:11:34.910230Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9e893b3a5f86ecacb031b510747f2a3c14109a72bdc8c7bf4c283bad24529e93

Aliases

arxiv: 1310.0550 · arxiv_version: 1310.0550v1 · doi: 10.48550/arxiv.1310.0550 · pith_short_12: T2ETWOS7Q3WK · pith_short_16: T2ETWOS7Q3WKZMBR · pith_short_8: T2ETWOS7

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/T2ETWOS7Q3WKZMBRWUIHI7ZKHQ \
  | 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: 9e893b3a5f86ecacb031b510747f2a3c14109a72bdc8c7bf4c283bad24529e93

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "708a0019f90738e22958a783cb1614425872035690e4d23881dde36f2980a0f9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2013-10-02T02:37:12Z",
    "title_canon_sha256": "5813062f85c8b3b12403740e340be46f26f7d671e4b6749a65aef1a5cb2b6675"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1310.0550",
    "kind": "arxiv",
    "version": 1
  }
}