Pith Number

pith:E66H772C

pith:2022:E66H772CAZIVC5PIRBTQVBWASJ

not attested not anchored not stored refs pending

Comets in context: Comparing comet compositions with protosolar nebula models

Boncho Bonev, Erika Gibb, Karen Willacy, Michael DiSanti, Nathan X. Roth, Neal Turner, Neil Dello Russo, Ronald J. Vervack Jr.

arxiv:2204.07517 v1 · 2022-04-15 · 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{E66H772CAZIVC5PIRBTQVBWASJ}

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	2026-07-05T04:31:37.961872Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

27bc7fff4206515175e888670a86c0924c5b68784e24e0b3b1b311c7890882e2

Aliases

arxiv: 2204.07517 · arxiv_version: 2204.07517v1 · doi: 10.48550/arxiv.2204.07517 · pith_short_12: E66H772CAZIV · pith_short_16: E66H772CAZIVC5PI · pith_short_8: E66H772C

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/E66H772CAZIVC5PIRBTQVBWASJ \
  | 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: 27bc7fff4206515175e888670a86c0924c5b68784e24e0b3b1b311c7890882e2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "09f3d5f67919921c451e649e57904c31419f33fc441a3228543d51717e23ce2e",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2022-04-15T15:33:50Z",
    "title_canon_sha256": "74ad4b5bbd4b3837bd01aa56f712c953f6f89103ec1746f6f92b5e5d58b38055"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2204.07517",
    "kind": "arxiv",
    "version": 1
  }
}