Pith Number

pith:GNIXG52T

pith:2015:GNIXG52T5NTSOXPKAEEADPQ3WU

not attested not anchored not stored refs pending

Probing the nature of the pre-merging system Hickson Compact Group 31 through IFU data

C. Mendes de Oliveira, D.F. de Mello, E. R. Carrasco, M. Alfaro-Cuello, P. Amram, S. Torres-Flores

arxiv:1508.01965 v1 · 2015-08-08 · 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{GNIXG52T5NTSOXPKAEEADPQ3WU}

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	2026-05-18T01:33:41.864581Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3351737753eb67275dea010801be1bb51b1f6618e2f4674885a98671fc5cdea0

Aliases

arxiv: 1508.01965 · arxiv_version: 1508.01965v1 · doi: 10.48550/arxiv.1508.01965 · pith_short_12: GNIXG52T5NTS · pith_short_16: GNIXG52T5NTSOXPK · pith_short_8: GNIXG52T

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/GNIXG52T5NTSOXPKAEEADPQ3WU \
  | 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: 3351737753eb67275dea010801be1bb51b1f6618e2f4674885a98671fc5cdea0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "91aed14edd988b508083d1d5a6cac9acd3de1ef761eecb58bc400c7679aeee7d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2015-08-08T22:40:16Z",
    "title_canon_sha256": "f08544681112c8166545c2f45ceed689dc44f57a12e0414d45330b9f94ab4a35"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1508.01965",
    "kind": "arxiv",
    "version": 1
  }
}