Pith Number

pith:6AIOT5EE

pith:1997:6AIOT5EEVV7L77DM6P464EWH7V

not attested not anchored not stored refs pending

Evolution of Molecular Abundance in Protoplanetary Disks

S.M. Miyama, T. Nakano, T. Umebayashi, Y. Aikawa

arxiv:astro-ph/9706204 v1 · 1997-06-19 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6AIOT5EEVV7L77DM6P464EWH7V}

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	2026-07-04T16:03:04.462403Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f010e9f484ad7ebffc6cf3f9ee12c7fd49e954f9d3bf4234492925c06e88ebc2

Aliases

arxiv: astro-ph/9706204 · arxiv_version: astro-ph/9706204v1 · doi: 10.48550/arxiv.astro-ph/9706204 · pith_short_12: 6AIOT5EEVV7L · pith_short_16: 6AIOT5EEVV7L77DM · pith_short_8: 6AIOT5EE

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/6AIOT5EEVV7L77DM6P464EWH7V \
  | 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: f010e9f484ad7ebffc6cf3f9ee12c7fd49e954f9d3bf4234492925c06e88ebc2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "708981f95a0f5e996dc690623626469649a57bc19815779fc4ae88bf65c1f6fd",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1997-06-19T13:37:41Z",
    "title_canon_sha256": "1032f5d005c0dc78b10a61969ca82f1c8fb3bab0c04360fb2c55fd059c05aaa7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9706204",
    "kind": "arxiv",
    "version": 1
  }
}