Pith Number

pith:5Z3VS2YW

pith:2017:5Z3VS2YWTGIQ4VJJPBFJMPW7AD

not attested not anchored not stored refs pending

High-resolution spectroscopic observations of the new CEMP-s star CD-50$^\circ$776

C.B. Pereira, F. Roig, J.V. Sales Silva, M. Roriz, N.A. Drake

arxiv:1707.09039 v1 · 2017-07-27 · 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{5Z3VS2YWTGIQ4VJJPBFJMPW7AD}

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	2026-05-18T00:34:46.870789Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ee77596b1699910e5529784a963edf00d226b8aaca5c68e2261b5b03e503c2d9

Aliases

arxiv: 1707.09039 · arxiv_version: 1707.09039v1 · doi: 10.48550/arxiv.1707.09039 · pith_short_12: 5Z3VS2YWTGIQ · pith_short_16: 5Z3VS2YWTGIQ4VJJ · pith_short_8: 5Z3VS2YW

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/5Z3VS2YWTGIQ4VJJPBFJMPW7AD \
  | 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: ee77596b1699910e5529784a963edf00d226b8aaca5c68e2261b5b03e503c2d9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3061a0b52b15cc40006b25ef0511c7d097b88a8f3d43db084e1fabcaea263f53",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2017-07-27T20:49:56Z",
    "title_canon_sha256": "38b9d3c205b3f2d1b977f1472c36f8b03c27c1c347f3e79a7ef54202cb84822a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1707.09039",
    "kind": "arxiv",
    "version": 1
  }
}