Pith Number

pith:E5LMCHVD

pith:2013:E5LMCHVDB7XDWEWNHHVFZY5PHQ

not attested not anchored not stored refs pending

Time-resolved Spectroscopy of the Polar EU Cancri in the Open Cluster Messier 67

(2) NASA Ames, (3) Steward Obs., (4) STSCI, (5) MPIA, (6) UCO/Lick), Andrea Bellini (4), James Liebert, Kate H.R. Rubin (5), Kurtis A. Williams (1), Michael Bolte (6) ((1) Texas A&M University-Commerce, Paul S. Smith (3), Steve B. Howell (2)

arxiv:1301.5936 v1 · 2013-01-25 · 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{E5LMCHVDB7XDWEWNHHVFZY5PHQ}

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	2026-05-18T03:29:29.295758Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2756c11ea30fee3b12cd39ea5ce3af3c351f514cbe12497858744dff94482b50

Aliases

arxiv: 1301.5936 · arxiv_version: 1301.5936v1 · doi: 10.48550/arxiv.1301.5936 · pith_short_12: E5LMCHVDB7XD · pith_short_16: E5LMCHVDB7XDWEWN · pith_short_8: E5LMCHVD

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/E5LMCHVDB7XDWEWNHHVFZY5PHQ \
  | 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: 2756c11ea30fee3b12cd39ea5ce3af3c351f514cbe12497858744dff94482b50

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6cff1b4592c6da1a2bda7ec2dc3e51ec591581a955a9e68faca6a75ed376642c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2013-01-25T00:31:48Z",
    "title_canon_sha256": "bd9760918259b1b6020b942d41866483f9634451fc95af06c37915d016e235ed"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1301.5936",
    "kind": "arxiv",
    "version": 1
  }
}