Pith Number

pith:47MLQGYI

pith:2018:47MLQGYIBTU5MGGVRABMPDTN7H

not attested not anchored not stored refs pending

Constraints on alternative theories of gravity with observations of the Galactic Center

Alexander Zakharov (ITEP, JINR, MEPhI, NCCU)

arxiv:1808.05063 v1 · 2018-08-15 · gr-qc · astro-ph.GA · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{47MLQGYIBTU5MGGVRABMPDTN7H}

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	2026-05-17T23:55:38.430192Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e7d8b81b080ce9d618d58802c78e6df9dc39d78408855187da4fbfce96559e4a

Aliases

arxiv: 1808.05063 · arxiv_version: 1808.05063v1 · doi: 10.48550/arxiv.1808.05063 · pith_short_12: 47MLQGYIBTU5 · pith_short_16: 47MLQGYIBTU5MGGV · pith_short_8: 47MLQGYI

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/47MLQGYIBTU5MGGVRABMPDTN7H \
  | 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: e7d8b81b080ce9d618d58802c78e6df9dc39d78408855187da4fbfce96559e4a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a86e175af144f54d925dcdb35a65e427e24976d50d4ca701651a7026ccbfcfc2",
    "cross_cats_sorted": [
      "astro-ph.GA",
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2018-08-15T13:12:42Z",
    "title_canon_sha256": "dd33d2ba2d000bc772b0105cc0f100a8470bf30ea0326429da426e8acdd3d82e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.05063",
    "kind": "arxiv",
    "version": 1
  }
}