Pith Number

pith:QSZCU3GG

pith:2015:QSZCU3GGXHCD3HTIDHP35AHVHC

not attested not anchored not stored refs pending

IAU Commission 8 Astrometry Transactions Report 2012-2015

Norbert Zacharias

arxiv:1512.07147 v1 · 2015-12-22 · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QSZCU3GGXHCD3HTIDHP35AHVHC}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T01:23:52.813441Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

84b22a6cc6b9c43d9e6819dfbe80f53889df4a1a51d16db0c604e19aa754b692

Aliases

arxiv: 1512.07147 · arxiv_version: 1512.07147v1 · doi: 10.48550/arxiv.1512.07147 · pith_short_12: QSZCU3GGXHCD · pith_short_16: QSZCU3GGXHCD3HTI · pith_short_8: QSZCU3GG

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/QSZCU3GGXHCD3HTIDHP35AHVHC \
  | 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: 84b22a6cc6b9c43d9e6819dfbe80f53889df4a1a51d16db0c604e19aa754b692

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "76558d0c654f4bdcf5da24cbfae7154f3a7c48b70e413deedb485f8845913bde",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2015-12-22T16:26:44Z",
    "title_canon_sha256": "e4600f964874191ddf1dacc2ffefc04fc72b38827d671539269149b352831b89"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1512.07147",
    "kind": "arxiv",
    "version": 1
  }
}