Pith Number

pith:OFUT2R2K

pith:2018:OFUT2R2KBZCHBJD4XPGDNTVXLH

not attested not anchored not stored refs pending

Cyberhubs: Virtual Research Environments for Astronomy

1, 2, 2), 2) ((1) University of Victoria, (2) JINA-CEE, 3), (3) NuGrid, (4) Konkoly Observatory (5) University of Minnesota, (6) LANL), Aaron D'Sa (5, Belaid Moa (1), Benoit Cote (4, Christian Ritter (1, David Porter (5), Falk Herwig (1, Jericho O'Connell (1), Nic Annau (1), Ondrea Clarkson (1, Paul Woodward (5, Robert Andrassy (1, Sam Jones (6

arxiv:1802.02233 v1 · 2018-02-06 · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OFUT2R2KBZCHBJD4XPGDNTVXLH}

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	2026-05-18T00:15:16.333425Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

71693d474a0e4470a47cbbcc36ceb759d1f9139210b5f635b33f555fd52c17ae

Aliases

arxiv: 1802.02233 · arxiv_version: 1802.02233v1 · doi: 10.48550/arxiv.1802.02233 · pith_short_12: OFUT2R2KBZCH · pith_short_16: OFUT2R2KBZCHBJD4 · pith_short_8: OFUT2R2K

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/OFUT2R2KBZCHBJD4XPGDNTVXLH \
  | 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: 71693d474a0e4470a47cbbcc36ceb759d1f9139210b5f635b33f555fd52c17ae

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "02683adbec7f00147e137ea6ff37639e42de64b35ae398e43287def5290529c5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2018-02-06T21:45:35Z",
    "title_canon_sha256": "251048d3544a2fe02200a6b47086ba6b02e32a8f8e03986d03aa03d4b824db79"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.02233",
    "kind": "arxiv",
    "version": 1
  }
}