Pith Number

pith:HMBC7RB7

pith:2017:HMBC7RB7WB5WWSRMYLIRNC4B4J

not attested not anchored not stored refs pending

The Optical -- Mid-infrared Extinction Law of the l=165 Sightline in the Galactic Plane: Diversity of Extinction Law in the Diffuse Interstellar Medium

Biwei Jiang, He Zhao, Richard de Grijs, Shu Wang, Xiaodian Chen

arxiv:1709.05989 v1 · 2017-09-18 · 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{HMBC7RB7WB5WWSRMYLIRNC4B4J}

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	2026-05-18T00:31:39.810355Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3b022fc43fb07b6b4a2cc2d1168b81e26c08cf16ed94b4fa2798e653402c05e5

Aliases

arxiv: 1709.05989 · arxiv_version: 1709.05989v1 · doi: 10.48550/arxiv.1709.05989 · pith_short_12: HMBC7RB7WB5W · pith_short_16: HMBC7RB7WB5WWSRM · pith_short_8: HMBC7RB7

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/HMBC7RB7WB5WWSRMYLIRNC4B4J \
  | 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: 3b022fc43fb07b6b4a2cc2d1168b81e26c08cf16ed94b4fa2798e653402c05e5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "01334ab2ce1a1694dc301cbb9f69331c683b4459138317c2b6d4bb46c71cefbf",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2017-09-18T14:55:42Z",
    "title_canon_sha256": "2fca1ccc44ee9f8e978bf91b4c3cfb0a37064eafa00790ffd8ab9d780b115801"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1709.05989",
    "kind": "arxiv",
    "version": 1
  }
}