Pith Number

pith:G4UGX437

pith:2011:G4UGX437BBKUZOUTTV2OXMREVX

not attested not anchored not stored refs pending

Disordered Silicates in Space: a Study of Laboratory Spectra of "Amorphous" Silicates

Alan G. Whittington, Angela K. Speck, Anne. M. Hofmeister

arxiv:1108.0429 v1 · 2011-08-01 · astro-ph.IM · astro-ph.EP · 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{G4UGX437BBKUZOUTTV2OXMREVX}

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	2026-05-18T02:01:04.612111Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

37286bf37f08554cba939d74ebb224add363de5f8070b149f310b4dd6303a5cc

Aliases

arxiv: 1108.0429 · arxiv_version: 1108.0429v1 · doi: 10.48550/arxiv.1108.0429 · pith_short_12: G4UGX437BBKU · pith_short_16: G4UGX437BBKUZOUT · pith_short_8: G4UGX437

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/G4UGX437BBKUZOUTTV2OXMREVX \
  | 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: 37286bf37f08554cba939d74ebb224add363de5f8070b149f310b4dd6303a5cc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1fd572ab2de7976c3887d6f756ecab3fe876c27ea9129f4855e08b54f6692be5",
    "cross_cats_sorted": [
      "astro-ph.EP",
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2011-08-01T20:24:26Z",
    "title_canon_sha256": "ca892bfc1a7ac0c44a8cf78a6d025eca5e5f0c7d070883391ed84f6691f2bc9b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1108.0429",
    "kind": "arxiv",
    "version": 1
  }
}