Pith Number

pith:C4Q2BDNS

pith:2010:C4Q2BDNSPYLVWITLWGUDXBZMLY

not attested not anchored not stored refs pending

Gravitational redshifts in main-sequence and giant stars

C. Chavero, C.Melo, D. Dravins, H.-G. Ludwig, L. Pasquini, P.Bonifacio, R. de la Reza

arxiv:1011.4635 v1 · 2010-11-21 · 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{C4Q2BDNSPYLVWITLWGUDXBZMLY}

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	2026-05-18T02:04:42.923549Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1721a08db27e175b226bb1a83b872c5e0a2dcef2d7dc1de7324c5fb74f3f7876

Aliases

arxiv: 1011.4635 · arxiv_version: 1011.4635v1 · doi: 10.48550/arxiv.1011.4635 · pith_short_12: C4Q2BDNSPYLV · pith_short_16: C4Q2BDNSPYLVWITL · pith_short_8: C4Q2BDNS

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/C4Q2BDNSPYLVWITLWGUDXBZMLY \
  | 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: 1721a08db27e175b226bb1a83b872c5e0a2dcef2d7dc1de7324c5fb74f3f7876

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6e10d05e3bb066e0b76e3cdf4696120426c2261d28b1535fd740b80458619103",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2010-11-21T03:33:08Z",
    "title_canon_sha256": "0852280ea25d5c6b1c86d76d9bb6ac63c0c456e9c246da3f373e7a02b01f1002"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1011.4635",
    "kind": "arxiv",
    "version": 1
  }
}