Pith Number

pith:I7IE4PSX

pith:2015:I7IE4PSXH6YD3KL7XRYZO3AVCK

not attested not anchored not stored refs pending

The Chemical Composition of {\tau} Ceti and Possible Effects on Terrestrial Planets

Amanda Truitt, Michael Pagano, Patrick A. Young, Sang-Heon Shim

arxiv:1503.04189 v1 · 2015-03-13 · astro-ph.EP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{I7IE4PSXH6YD3KL7XRYZO3AVCK}

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	2026-05-18T01:40:52.236251Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

47d04e3e573fb03da97fbc71976c15128b22a0a6405aa136d8c5834aa8d5b7aa

Aliases

arxiv: 1503.04189 · arxiv_version: 1503.04189v1 · doi: 10.48550/arxiv.1503.04189 · pith_short_12: I7IE4PSXH6YD · pith_short_16: I7IE4PSXH6YD3KL7 · pith_short_8: I7IE4PSX

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/I7IE4PSXH6YD3KL7XRYZO3AVCK \
  | 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: 47d04e3e573fb03da97fbc71976c15128b22a0a6405aa136d8c5834aa8d5b7aa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3701cc528ffcdd3beb017cb92be33601b22d9f9b381da8ae81e0657401da0d85",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2015-03-13T19:29:54Z",
    "title_canon_sha256": "2ad05ce18065776bcd7e128b11b6ec0650e9474c791062ccf3dfc10a9e4f8ffb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1503.04189",
    "kind": "arxiv",
    "version": 1
  }
}