Pith Number

pith:FGATTTWO

pith:2021:FGATTTWO2XSVKCYDRSTAYNULLR

not attested not anchored not stored refs pending

"Ash-fall" induced by molecular outflow in protostar evolution

Masahiro N. Machida, Shu-ichiro Inutsuka, Yusuke Tsukamoto

arxiv:2109.12779 v3 · 2021-09-27 · astro-ph.SR · astro-ph.EP · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FGATTTWO2XSVKCYDRSTAYNULLR}

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	2026-07-05T03:26:07.970940Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

298139ceced5e5550b038ca60c368b5c764b739b666dea0bf0071558ac339bef

Aliases

arxiv: 2109.12779 · arxiv_version: 2109.12779v3 · doi: 10.48550/arxiv.2109.12779 · pith_short_12: FGATTTWO2XSV · pith_short_16: FGATTTWO2XSVKCYD · pith_short_8: FGATTTWO

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/FGATTTWO2XSVKCYDRSTAYNULLR \
  | 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: 298139ceced5e5550b038ca60c368b5c764b739b666dea0bf0071558ac339bef

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "afc6ba91865594b5a25fc08ef066bf8d7b9a1d18f2d7f4b712c0604c46d52fad",
    "cross_cats_sorted": [
      "astro-ph.EP",
      "astro-ph.GA"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2021-09-27T03:42:56Z",
    "title_canon_sha256": "1e7cf2f86bca5358151ca3ab88c1552bad2838bc72a8e49d4b028676d2f3548e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2109.12779",
    "kind": "arxiv",
    "version": 3
  }
}