Pith Number

pith:O2MOTIWA

pith:2017:O2MOTIWAEPKWI47RJCHECMPOUU

not attested not anchored not stored refs pending

Estimating dust distances to Type Ia supernovae from colour excess time-evolution

A. Goobar, M. Bulla, R. Amanullah, R. Ferretti, U. Feindt

arxiv:1707.00696 v2 · 2017-07-03 · astro-ph.HE · 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{O2MOTIWAEPKWI47RJCHECMPOUU}

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	2026-05-18T00:31:23.659703Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7698e9a2c023d56473f1488e4131eea52e0e8a2be013842569c7da9714650fb3

Aliases

arxiv: 1707.00696 · arxiv_version: 1707.00696v2 · doi: 10.48550/arxiv.1707.00696 · pith_short_12: O2MOTIWAEPKW · pith_short_16: O2MOTIWAEPKWI47R · pith_short_8: O2MOTIWA

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/O2MOTIWAEPKWI47RJCHECMPOUU \
  | 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: 7698e9a2c023d56473f1488e4131eea52e0e8a2be013842569c7da9714650fb3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0872b336eae0e588971f84f1dc6e83e7398c1dbb209e9b184e803bb6fb8eac4d",
    "cross_cats_sorted": [
      "astro-ph.GA",
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2017-07-03T18:00:02Z",
    "title_canon_sha256": "4ed62f999d35bb7d401c6f785983d36404e0fdd8d632dbe7b143ab89ba0f20f2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1707.00696",
    "kind": "arxiv",
    "version": 2
  }
}