Pith Number

pith:QVBCRWEK

pith:2019:QVBCRWEKF2IDB3LUVY34GHMG7C

not attested not anchored not stored refs pending

An Analysis of the Shapes of Interstellar Extinction Curves. VII. Milky Way Spectrophotometric Optical-through-Ultraviolet Extinction and Its R-Dependence

Derck Massa, Edward L. Fitzpatrick, Geoffrey C. Clayton, Karl D. Gordon, Ralph Bohlin

arxiv:1910.08852 v1 · 2019-10-19 · astro-ph.GA · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QVBCRWEKF2IDB3LUVY34GHMG7C}

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.

Cited by

1 paper in Pith

JWST Edge-on Disk Ice (JEDIce): Vibrationally hot, rotationally cold H$_2$ in the outer disk of Oph 163131 non-thermally excited by UV and cosmic rays

Receipt and verification

First computed	2026-07-05T00:30:29.534716Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

854228d88a2e9030ed74ae37c31d86f8906c653d9369750283349d21bd9441c7

Aliases

arxiv: 1910.08852 · arxiv_version: 1910.08852v1 · doi: 10.48550/arxiv.1910.08852 · pith_short_12: QVBCRWEKF2ID · pith_short_16: QVBCRWEKF2IDB3LU · pith_short_8: QVBCRWEK

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/QVBCRWEKF2IDB3LUVY34GHMG7C \
  | 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: 854228d88a2e9030ed74ae37c31d86f8906c653d9369750283349d21bd9441c7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f600f1ca469bfc7f49ef64b386448e402f03890270d8816fd8e139b00c0f19cd",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2019-10-19T22:24:44Z",
    "title_canon_sha256": "e63739662ddff5914ce65c0e5a34b43d8744e7b5e8de042d18a9644252e23808"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1910.08852",
    "kind": "arxiv",
    "version": 1
  }
}