Pith Number

pith:VWGDQBMQ

pith:2017:VWGDQBMQ4YZ3ISMY43H6B5ZL2U

not attested not anchored not stored refs pending

Polyaromatic disordered carbon grains as carriers of the UV bump: FUV to mid-infrared spectroscopy of laboratory analogs

Alexandre Giuliani, Emmanuel Dartois, Ivan Alata, Kim Cuong Le, Lisseth Gavilan, Thomas Pino

arxiv:1711.06175 v1 · 2017-11-16 · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VWGDQBMQ4YZ3ISMY43H6B5ZL2U}

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	2026-05-18T00:30:15.953939Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ad8c380590e633b44998e6cfe0f72bd52bf802e7e749c016ca38ee7f97990ddb

Aliases

arxiv: 1711.06175 · arxiv_version: 1711.06175v1 · doi: 10.48550/arxiv.1711.06175 · pith_short_12: VWGDQBMQ4YZ3 · pith_short_16: VWGDQBMQ4YZ3ISMY · pith_short_8: VWGDQBMQ

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/VWGDQBMQ4YZ3ISMY43H6B5ZL2U \
  | 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: ad8c380590e633b44998e6cfe0f72bd52bf802e7e749c016ca38ee7f97990ddb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "47e53613988fb8f412b89092879ee2a42029ee935a9d25443d9763f11ad47255",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2017-11-16T16:28:26Z",
    "title_canon_sha256": "0373764da64e1284655db773391c771295c8a864e04b3f32fbadca111a456f40"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1711.06175",
    "kind": "arxiv",
    "version": 1
  }
}