Pith Number

pith:ANPQVAUT

pith:2017:ANPQVAUTO7KTCBWPB6RUPOZCF2

not attested not anchored not stored refs pending

Interstellar Silicon Depletion and the Ultraviolet Extinction

Aigen Li, Ajay Mishra

arxiv:1710.04905 v1 · 2017-10-11 · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ANPQVAUTO7KTCBWPB6RUPOZCF2}

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	2026-05-18T00:28:13.474658Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

035f0a829377d53106cf0fa347bb222ea5004aa48c84bab4aa5032b20d3b314a

Aliases

arxiv: 1710.04905 · arxiv_version: 1710.04905v1 · doi: 10.48550/arxiv.1710.04905 · pith_short_12: ANPQVAUTO7KT · pith_short_16: ANPQVAUTO7KTCBWP · pith_short_8: ANPQVAUT

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/ANPQVAUTO7KTCBWPB6RUPOZCF2 \
  | 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: 035f0a829377d53106cf0fa347bb222ea5004aa48c84bab4aa5032b20d3b314a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0773b6d8055b058c4b424ef534c2eeb2822dc393a00d4b9277ff00007224aec9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2017-10-11T18:55:06Z",
    "title_canon_sha256": "748bff377d53dde8b2f6419996c354fe7d871f3769f3831d11af8f98d4c7d0d2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1710.04905",
    "kind": "arxiv",
    "version": 1
  }
}