Pith Number

pith:MPU2ERZA

pith:2013:MPU2ERZAK6KMZTGQ7SVB3Q62EX

not attested not anchored not stored refs pending

Dynamical Constraints on Exoplanets

Chris Tinney, Jonathan P. Marshall, Jonti Horner, Robert A. Wittenmyer, Tobias C. Hinse

arxiv:1308.3549 v1 · 2013-08-16 · astro-ph.EP · 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{MPU2ERZAK6KMZTGQ7SVB3Q62EX}

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	2026-05-18T01:48:14.794841Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

63e9a247205794ccccd0fcaa1dc3da25d7f2930cdda6710c5c2019f34a2d059d

Aliases

arxiv: 1308.3549 · arxiv_version: 1308.3549v1 · doi: 10.48550/arxiv.1308.3549 · pith_short_12: MPU2ERZAK6KM · pith_short_16: MPU2ERZAK6KMZTGQ · pith_short_8: MPU2ERZA

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/MPU2ERZAK6KMZTGQ7SVB3Q62EX \
  | 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: 63e9a247205794ccccd0fcaa1dc3da25d7f2930cdda6710c5c2019f34a2d059d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a5cfb1ce1d76601e3af59d7b9e1aa08cfdf66cbc0ce4a74eecc24cf084c0987e",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2013-08-16T04:26:04Z",
    "title_canon_sha256": "23358b4630fd97615b8401c24e8048cdaeecb283f27fb2238f201cdfe7cea9c7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1308.3549",
    "kind": "arxiv",
    "version": 1
  }
}