Pith Number

pith:VXYNWASO

pith:2017:VXYNWASOJCEWC4UTZSDKYDE6A5

not attested not anchored not stored refs pending

On the Time Variation of Dust Extinction and Gas Absorption for Type~Ia Supernovae Observed Through Non-uniform Interstellar Medium

B. Herger, G. Aldering, M. Biederman, X. Huang

arxiv:1710.11115 v1 · 2017-10-30 · astro-ph.CO · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VXYNWASOJCEWC4UTZSDKYDE6A5}

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	2026-05-18T00:28:51.865085Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

adf0db024e4889617293cc86ac0c9e077b7c536f761c50097cc24a32bd61ee38

Aliases

arxiv: 1710.11115 · arxiv_version: 1710.11115v1 · doi: 10.48550/arxiv.1710.11115 · pith_short_12: VXYNWASOJCEW · pith_short_16: VXYNWASOJCEWC4UT · pith_short_8: VXYNWASO

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/VXYNWASOJCEWC4UTZSDKYDE6A5 \
  | 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: adf0db024e4889617293cc86ac0c9e077b7c536f761c50097cc24a32bd61ee38

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a333ef54b4bd770c532c50272cff54dbb42b9b61bad626149994355121f13ad1",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2017-10-30T17:58:33Z",
    "title_canon_sha256": "0bb962dc2ab6c0cf3807b297b42672204cc6d1063ab980d18c940720dad30f23"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1710.11115",
    "kind": "arxiv",
    "version": 1
  }
}