Pith Number

pith:TPCPWSMY

pith:2021:TPCPWSMYXYYI2QI2D2CR26ZJNW

not attested not anchored not stored refs pending

Evidence for Radial Expansion at the Core of the Orion Complex with Gaia EDR3

Alyssa Goodman, Boquan Chen, Cameren Swiggum, Catherine Zucker, Elena D'Onghia, Jo\~ao Alves, Josefa Gro{\ss}schedl, Michael Foley, Stefan Meingast

arxiv:2101.10380 v3 · 2021-01-25 · astro-ph.GA · 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{TPCPWSMYXYYI2QI2D2CR26ZJNW}

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	2026-07-05T03:06:17.739762Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9bc4fb4998be308d411a1e851d7b296da194870bb421d5833b4be11775ee4db2

Aliases

arxiv: 2101.10380 · arxiv_version: 2101.10380v3 · doi: 10.48550/arxiv.2101.10380 · pith_short_12: TPCPWSMYXYYI · pith_short_16: TPCPWSMYXYYI2QI2 · pith_short_8: TPCPWSMY

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/TPCPWSMYXYYI2QI2D2CR26ZJNW \
  | 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: 9bc4fb4998be308d411a1e851d7b296da194870bb421d5833b4be11775ee4db2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f1ad5c624a031534680d4c8688fcd4aaf39fe762186a098213ef374fdeea6b24",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2021-01-25T20:00:05Z",
    "title_canon_sha256": "93c517e12213dd1d383e7848a33c0273239321c13f15aa53ee4b11ed1b60eea6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2101.10380",
    "kind": "arxiv",
    "version": 3
  }
}