Pith Number

pith:DEJYP5N6

pith:2011:DEJYP5N6LNXUK6TT6VSIINATII

not attested not anchored not stored refs pending

A Spectroscopic Study of DD UMa: Ursa Major Group Member and Candidate for BRITE

A. Elmasl{\i}, B. Albayrak, C. P. Folsom, H.Izumiura, L. Fossati

arxiv:1107.4856 v1 · 2011-07-25 · 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{DEJYP5N6LNXUK6TT6VSIINATII}

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	2026-05-18T01:09:25.355130Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

191387f5be5b6f457a73f56484341342338bd7c4bbb5d5db9fc12af1e9287c5c

Aliases

arxiv: 1107.4856 · arxiv_version: 1107.4856v1 · doi: 10.48550/arxiv.1107.4856 · pith_short_12: DEJYP5N6LNXU · pith_short_16: DEJYP5N6LNXUK6TT · pith_short_8: DEJYP5N6

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/DEJYP5N6LNXUK6TT6VSIINATII \
  | 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: 191387f5be5b6f457a73f56484341342338bd7c4bbb5d5db9fc12af1e9287c5c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e7754e594e18e5ab64c69b99e3aac266d928e219dd8301ca189224d18db5c9c1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2011-07-25T07:39:31Z",
    "title_canon_sha256": "b72c70b6d8c02edb870f9e155d3112ff67c7d8a61caac515906d00cf9fb884fb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1107.4856",
    "kind": "arxiv",
    "version": 1
  }
}