Pith Number

pith:OZFELJGQ

pith:2018:OZFELJGQK6PQDE2OCDLCSDTETV

not attested not anchored not stored refs pending

Night Vision for Small Telescopes

Nat Butler, Rebecca Jackson, Robert Strausbaugh

arxiv:1806.04221 v1 · 2018-06-11 · 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{OZFELJGQK6PQDE2OCDLCSDTETV}

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	2026-05-18T00:10:51.699215Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

764a45a4d0579f01934e10d6290e649d545c2f2c2cb40e26f118d1849c02d2a8

Aliases

arxiv: 1806.04221 · arxiv_version: 1806.04221v1 · doi: 10.48550/arxiv.1806.04221 · pith_short_12: OZFELJGQK6PQ · pith_short_16: OZFELJGQK6PQDE2O · pith_short_8: OZFELJGQ

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/OZFELJGQK6PQDE2OCDLCSDTETV \
  | 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: 764a45a4d0579f01934e10d6290e649d545c2f2c2cb40e26f118d1849c02d2a8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "acef6125e9b4ce86f7cee41a1f602328e875bf32582d27bfd638ef4ba9325131",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2018-06-11T20:12:08Z",
    "title_canon_sha256": "0cb4edd7a106e2449c30162474c648993585b9d9e8b996a4debf7788cbe086c4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1806.04221",
    "kind": "arxiv",
    "version": 1
  }
}