Pith Number

pith:WI7JEM3M

pith:2018:WI7JEM3MZFZM2XZRQCRTTZVAWU

not attested not anchored not stored refs pending

Measuring the absolute total intrinsic redshifts (surface gravity plus the convective blueshift) of the main sequence stars and red giants using GAIA data

De-Chang Dai, Dejan Stojkovic, Zhigang Li

arxiv:1812.04674 v1 · 2018-12-07 · astro-ph.SR · gr-qc

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WI7JEM3MZFZM2XZRQCRTTZVAWU}

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	2026-05-17T23:58:29.867779Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b23e92336cc972cd5f3180a339e6a0b537b1e098b0025e2753d1f59fbbf4b352

Aliases

arxiv: 1812.04674 · arxiv_version: 1812.04674v1 · doi: 10.48550/arxiv.1812.04674 · pith_short_12: WI7JEM3MZFZM · pith_short_16: WI7JEM3MZFZM2XZR · pith_short_8: WI7JEM3M

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/WI7JEM3MZFZM2XZRQCRTTZVAWU \
  | 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: b23e92336cc972cd5f3180a339e6a0b537b1e098b0025e2753d1f59fbbf4b352

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1adacfa7559f1b6568dcd92f70c1dd267c2d7bfd6acef7f26fe208918654422e",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2018-12-07T01:52:02Z",
    "title_canon_sha256": "6254bbebfc22eff81c589a3e8b52bb2df2b89159f13b8ad8b639a041a2011bb5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.04674",
    "kind": "arxiv",
    "version": 1
  }
}