Pith Number

pith:PYG2V5JM

pith:2014:PYG2V5JMVJWOCJG7AGHV5JWAEV

not attested not anchored not stored refs pending

Image Quality of SOLIS/VSM in Helium vs. Nitrogen

J. W. Harvey

arxiv:1405.7967 v1 · 2014-05-30 · astro-ph.IM · 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{PYG2V5JMVJWOCJG7AGHV5JWAEV}

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	2026-05-18T02:50:43.559579Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7e0daaf52caa6ce124df018f5ea6c0257a10ea1b2205c01306932b22f35bd4fb

Aliases

arxiv: 1405.7967 · arxiv_version: 1405.7967v1 · doi: 10.48550/arxiv.1405.7967 · pith_short_12: PYG2V5JMVJWO · pith_short_16: PYG2V5JMVJWOCJG7 · pith_short_8: PYG2V5JM

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/PYG2V5JMVJWOCJG7AGHV5JWAEV \
  | 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: 7e0daaf52caa6ce124df018f5ea6c0257a10ea1b2205c01306932b22f35bd4fb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d150b1ff121027e7c5d665b5e4334b73d8c2a9d5b99db8f2be61f20da5918417",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2014-05-30T19:42:01Z",
    "title_canon_sha256": "6f9ab7ccda706d811d17d54b5463faa031d5e6d2f11ab0c1c29c6e008f61ad93"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1405.7967",
    "kind": "arxiv",
    "version": 1
  }
}