Pith Number

pith:FVF5HGB2

pith:2017:FVF5HGB2LFK5W4WIT42NASNG2C

not attested not anchored not stored refs pending

Overall properties of the Gaia DR1 reference frame

C.-Y. Ding, J.-C. Liu, N. Liu, Z. Zhu

arxiv:1702.04034 v1 · 2017-02-14 · 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{FVF5HGB2LFK5W4WIT42NASNG2C}

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	2026-05-18T00:48:43.556925Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2d4bd3983a5955db72c89f34d049a6d0a3d13ef6bab06b3b5a14f3072adddae4

Aliases

arxiv: 1702.04034 · arxiv_version: 1702.04034v1 · doi: 10.48550/arxiv.1702.04034 · pith_short_12: FVF5HGB2LFK5 · pith_short_16: FVF5HGB2LFK5W4WI · pith_short_8: FVF5HGB2

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/FVF5HGB2LFK5W4WIT42NASNG2C \
  | 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: 2d4bd3983a5955db72c89f34d049a6d0a3d13ef6bab06b3b5a14f3072adddae4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1ed8b726dba38e3de5f4adb19264dda24f0b403bcf4b28ba458ab76252ca9e56",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2017-02-14T00:51:39Z",
    "title_canon_sha256": "399c71403dbc8e4e3c33dce52b6f24768a9cdd4bd1293c2e1704068da49684c0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1702.04034",
    "kind": "arxiv",
    "version": 1
  }
}