Pith Number

pith:GIGWCT4J

pith:2018:GIGWCT4JILIDZG7LMGISL62D2W

not attested not anchored not stored refs pending

Spectral Evidence for Amorphous Silicates in Least-processed CO Meteorites and Their Parent Bodies

Conel M. O'D Alexander, Jessica M. Sunshine, Kieren T. Howard, Margaret M. McAdam, Schelte J. Bus, Timothy J. McCoy

arxiv:1802.00830 v1 · 2018-02-02 · 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{GIGWCT4JILIDZG7LMGISL62D2W}

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	2026-05-18T00:24:28.108645Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

320d614f8942d03c9beb619125fb43d58500310a9bc7cf268e288ffe7bcf65ee

Aliases

arxiv: 1802.00830 · arxiv_version: 1802.00830v1 · doi: 10.48550/arxiv.1802.00830 · pith_short_12: GIGWCT4JILID · pith_short_16: GIGWCT4JILIDZG7L · pith_short_8: GIGWCT4J

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/GIGWCT4JILIDZG7LMGISL62D2W \
  | 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: 320d614f8942d03c9beb619125fb43d58500310a9bc7cf268e288ffe7bcf65ee

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dbe4b4660c80600b306f9c60b1a770086ed9e793e7c84767ef362133f0815d4a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2018-02-02T19:54:28Z",
    "title_canon_sha256": "5508cfdbac93645a8263da7fffc1028a0d2c942f8c6f7baf948cfaed9fca13e1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.00830",
    "kind": "arxiv",
    "version": 1
  }
}