Pith Number

pith:7WIUNNGZ

pith:2021:7WIUNNGZLIPD7PPK4JHME5BOQE

not attested not anchored not stored refs pending

On the rise times in FU Orionis events

Christophe Pinte, Daniel J. Price, Elisabeth M. A. Borchert, Nicol\'as Cuello

arxiv:2111.12723 v2 · 2021-11-24 · astro-ph.GA · 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{7WIUNNGZLIPD7PPK4JHME5BOQE}

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	2026-07-05T03:40:04.763647Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fd9146b4d95a1e3fbdeae24ec2742e813118651ed874d9d00f308340e0141d0c

Aliases

arxiv: 2111.12723 · arxiv_version: 2111.12723v2 · doi: 10.48550/arxiv.2111.12723 · pith_short_12: 7WIUNNGZLIPD · pith_short_16: 7WIUNNGZLIPD7PPK · pith_short_8: 7WIUNNGZ

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/7WIUNNGZLIPD7PPK4JHME5BOQE \
  | 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: fd9146b4d95a1e3fbdeae24ec2742e813118651ed874d9d00f308340e0141d0c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1a99fb0a7ea2616bd685afbc80aca25cace5b6d1b1b46f91fbe8ada4a139b9d2",
    "cross_cats_sorted": [
      "astro-ph.EP",
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2021-11-24T19:00:02Z",
    "title_canon_sha256": "2e2c6983829552d3130314f343151a77cd7fcab9845f2b16a4f64ccbc59095c7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2111.12723",
    "kind": "arxiv",
    "version": 2
  }
}