Pith Number

pith:VTI4TESN

pith:2016:VTI4TESNP2LNKY2EK4572U6DAX

not attested not anchored not stored refs pending

The SDSS spectroscopic catalogue of white dwarf-main sequence binaries: new identifications from DR9-12

A. Rebassa-Mansergas, B.T. Gaensicke, D. Koester, E. Garcia-Berro, J.J. Ren, M.R. Schreiber, S.G. Parsons, X.-W. Liu

arxiv:1603.01017 v1 · 2016-03-03 · astro-ph.SR

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

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	2026-05-18T01:18:36.889909Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

acd1c9924d7e96d56344573bfd53c305e8c17240b4fe0f74330da5d0e29a24c8

Aliases

arxiv: 1603.01017 · arxiv_version: 1603.01017v1 · doi: 10.48550/arxiv.1603.01017 · pith_short_12: VTI4TESNP2LN · pith_short_16: VTI4TESNP2LNKY2E · pith_short_8: VTI4TESN

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/VTI4TESNP2LNKY2EK4572U6DAX \
  | 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: acd1c9924d7e96d56344573bfd53c305e8c17240b4fe0f74330da5d0e29a24c8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cb4f9fbee553f6ce2650efec11a558c1310ea46f383f9c64af271a1737063a93",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2016-03-03T08:26:47Z",
    "title_canon_sha256": "8e0a7f7d5e2eb8c626343a4cf7791a72ba6517ffa466627c11eb76f18f631b66"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1603.01017",
    "kind": "arxiv",
    "version": 1
  }
}