Pith Number

pith:UVLK77VC

pith:2019:UVLK77VCUX2Q7B2I2EE5TKEGTB

not attested not anchored not stored refs pending

Oxygen Isotopic Composition of an Enstatite Ribbon of Probable Cometary Origin

Alexander N. Krot, Dave J. Joswiak, Donald E. Brownlee, Gary R. Huss, Josiah B. Lewis, Kainen L. Ut, Kazuhide Nagashima, Ryan C. Ogliore

arxiv:1907.11177 v1 · 2019-07-25 · astro-ph.EP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UVLK77VCUX2Q7B2I2EE5TKEGTB}

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	2026-05-17T23:39:33.033542Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a556affea2a5f50f8748d109d9a8869856ace4e52cd1f5580779b47079bee7b2

Aliases

arxiv: 1907.11177 · arxiv_version: 1907.11177v1 · doi: 10.48550/arxiv.1907.11177 · pith_short_12: UVLK77VCUX2Q · pith_short_16: UVLK77VCUX2Q7B2I · pith_short_8: UVLK77VC

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/UVLK77VCUX2Q7B2I2EE5TKEGTB \
  | 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: a556affea2a5f50f8748d109d9a8869856ace4e52cd1f5580779b47079bee7b2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0f2fcab62ce56f7150fde33ecf15163a9e69e12df5d413f92f550ee3193dc59d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2019-07-25T16:35:25Z",
    "title_canon_sha256": "23258e3de94f1fe1c7b87cc275bb85ee402c4bf9c26a2396ad79f7603be9286b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.11177",
    "kind": "arxiv",
    "version": 1
  }
}