Pith Number

pith:YVHLQQPZ

pith:2009:YVHLQQPZOZM4FQ2FJLVPWERDBT

not attested not anchored not stored refs pending

Accurate light-time correction due to a gravitating mass

Bruno Bertotti, Neil Ashby

arxiv:0912.2705 v1 · 2009-12-14 · 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{YVHLQQPZOZM4FQ2FJLVPWERDBT}

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	2026-05-18T02:10:23.831671Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c54eb841f97659c2c3454aeafb12230cfc07d0ee51f460547392a81dc13b1ade

Aliases

arxiv: 0912.2705 · arxiv_version: 0912.2705v1 · doi: 10.48550/arxiv.0912.2705 · pith_short_12: YVHLQQPZOZM4 · pith_short_16: YVHLQQPZOZM4FQ2F · pith_short_8: YVHLQQPZ

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/YVHLQQPZOZM4FQ2FJLVPWERDBT \
  | 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: c54eb841f97659c2c3454aeafb12230cfc07d0ee51f460547392a81dc13b1ade

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c40192416b29704fa33e8a260a8b7d21e81c19fe19bab3cbaaad2d88f5be5f3f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2009-12-14T18:55:40Z",
    "title_canon_sha256": "588f34dd456c6f301a8cb26a312688323265b7c2323bcb1c400e02b1d3a6f3fe"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0912.2705",
    "kind": "arxiv",
    "version": 1
  }
}