Pith Number

pith:KQPKQ2AX

pith:2012:KQPKQ2AXIAOGYKFVRNO3AFXXMX

not attested not anchored not stored refs pending

Spacetime Metrology with LISA Pathfinder

Giuseppe Congedo

arxiv:1204.4299 v1 · 2012-04-19 · 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{KQPKQ2AXIAOGYKFVRNO3AFXXMX}

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	2026-05-18T03:57:27.879597Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

541ea86817401c6c28b58b5db016f765f40ebeae3627b6940fbd2c884007340d

Aliases

arxiv: 1204.4299 · arxiv_version: 1204.4299v1 · doi: 10.48550/arxiv.1204.4299 · pith_short_12: KQPKQ2AXIAOG · pith_short_16: KQPKQ2AXIAOGYKFV · pith_short_8: KQPKQ2AX

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/KQPKQ2AXIAOGYKFVRNO3AFXXMX \
  | 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: 541ea86817401c6c28b58b5db016f765f40ebeae3627b6940fbd2c884007340d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6d41a0c4530fe90660f83a5307fcaefbb694d4aca5cad8a4aab5e89f4df47472",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/3.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2012-04-19T09:53:15Z",
    "title_canon_sha256": "17711c8f290e0c26e7d5b91d771414b654490a711d4116c07e34a945dd0195d9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1204.4299",
    "kind": "arxiv",
    "version": 1
  }
}