Pith Number

pith:HCIZ6RFY

pith:2009:HCIZ6RFY24S6TCATCMV25JEGAU

not attested not anchored not stored refs pending

The Orbital Period of V368 Aquilae (Nova Aquilae 1936 No. 2)

A. W. Shafter, E. Marin

arxiv:0908.3703 v1 · 2009-08-25 · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HCIZ6RFY24S6TCATCMV25JEGAU}

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	2026-05-18T02:12:22.996526Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

38919f44b8d725e98813132baea48605231ad5c55be65bff18fae1734fcc56d2

Aliases

arxiv: 0908.3703 · arxiv_version: 0908.3703v1 · doi: 10.48550/arxiv.0908.3703 · pith_short_12: HCIZ6RFY24S6 · pith_short_16: HCIZ6RFY24S6TCAT · pith_short_8: HCIZ6RFY

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/HCIZ6RFY24S6TCATCMV25JEGAU \
  | 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: 38919f44b8d725e98813132baea48605231ad5c55be65bff18fae1734fcc56d2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "33229cbae6f8ccf9576393a6e6992073fc477f3f1659fea86680816ecc8eb81d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2009-08-25T23:09:51Z",
    "title_canon_sha256": "3a9bede609a718bb81ebbcd7d4fee4e607f06a344512d131b99fa5a84be3dcd9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0908.3703",
    "kind": "arxiv",
    "version": 1
  }
}