Pith Number

pith:SH76R2YV

pith:2011:SH76R2YVOCPIJF6RDMHDLAIDCG

not attested not anchored not stored refs pending

The Pisa pre-main sequence tracks and isochrones. A database covering a wide range of Z, Y, mass, and age values

E. Tognelli, P. G. Prada Moroni, S. Degl'Innocenti

arxiv:1107.2318 v1 · 2011-07-12 · 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{SH76R2YVOCPIJF6RDMHDLAIDCG}

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	2026-05-18T02:01:19.619455Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

91ffe8eb15709e8497d11b0e3581031194ed0975b69443a489cec806e42eb525

Aliases

arxiv: 1107.2318 · arxiv_version: 1107.2318v1 · doi: 10.48550/arxiv.1107.2318 · pith_short_12: SH76R2YVOCPI · pith_short_16: SH76R2YVOCPIJF6R · pith_short_8: SH76R2YV

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/SH76R2YVOCPIJF6RDMHDLAIDCG \
  | 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: 91ffe8eb15709e8497d11b0e3581031194ed0975b69443a489cec806e42eb525

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f92636f567c821e9841ff01a13aa226b7a03319133a31ef82d9c5f88e6fa1859",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2011-07-12T15:15:37Z",
    "title_canon_sha256": "8b7958cc0a49859745b356865b91f41c4cc4dd305f8057f93d8b21a11bdfeec9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1107.2318",
    "kind": "arxiv",
    "version": 1
  }
}