Pith Number

pith:U2DTRYYE

pith:2016:U2DTRYYEOO7PI32JDQE3JG7IYN

not attested not anchored not stored refs pending

Diffuse Interstellar Bands and the Ultraviolet Extinction Curves: The Missing Link Revisited

Aigen Li, F.Y. Xiang, J.X. Zhong (University of Missouri/Xiangtan University)

arxiv:1610.06857 v1 · 2016-10-21 · 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{U2DTRYYEOO7PI32JDQE3JG7IYN}

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	2026-05-18T00:52:14.357003Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a68738e30473bef46f491c09b49be8c3650bb368ca0a1d707d6d1155dd792b31

Aliases

arxiv: 1610.06857 · arxiv_version: 1610.06857v1 · doi: 10.48550/arxiv.1610.06857 · pith_short_12: U2DTRYYEOO7P · pith_short_16: U2DTRYYEOO7PI32J · pith_short_8: U2DTRYYE

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/U2DTRYYEOO7PI32JDQE3JG7IYN \
  | 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: a68738e30473bef46f491c09b49be8c3650bb368ca0a1d707d6d1155dd792b31

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e2a34b832fa4d3c2be628b474bdab546f9e7b904c1c2190162d77f4c260f3eb1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2016-10-21T16:54:15Z",
    "title_canon_sha256": "34d6c8df704e2457c4f256523a9975ca954d4b2e13d9be06fea497691ca4d537"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1610.06857",
    "kind": "arxiv",
    "version": 1
  }
}