Pith Number

pith:57AS6WMD

pith:2012:57AS6WMD5GP6WBIMKRVM2IXRWZ

not attested not anchored not stored refs pending

Interstellar Silicate Dust in the z=0.89 Absorber Towards PKS 1830-211: Crystalline Silicates at High Redshift?

Daniel E. Welty, Debopam Som, Donald G. York, Giovanni Vladilo, Monique C. Aller, Varsha P. Kulkarni

arxiv:1201.5034 v1 · 2012-01-24 · astro-ph.GA

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Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

Receipt and verification

First computed	2026-05-18T01:58:42.678107Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

efc12f5983e99feb050c546acd22f1b652f6b54b03590fb9c7bf9563497d5264

Aliases

arxiv: 1201.5034 · arxiv_version: 1201.5034v1 · doi: 10.48550/arxiv.1201.5034

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/57AS6WMD5GP6WBIMKRVM2IXRWZ \
  | 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: efc12f5983e99feb050c546acd22f1b652f6b54b03590fb9c7bf9563497d5264

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "546c2a57643c6c498ee5c2caf689969313def60cc1525c74f574a414c42b7049",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2012-01-24T16:18:52Z",
    "title_canon_sha256": "c43c4fe84f04c491e061271194d60df771113cd160ed09795ca2621e41a560e5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1201.5034",
    "kind": "arxiv",
    "version": 1
  }
}