Pith Number

pith:3V64YMET

pith:2009:3V64YMETIRVUUCEGV5SR62NPKX

not attested not anchored not stored refs pending

Structure, Kinematics, and Chemical Enrichment Patterns after Major Gas-Rich Disc-Disc Mergers

Brad K. Gibson, Chris B. Brook, Daisuke Kawata, Hugo Martel, Patricia Sanchez-Blazquez, Simon Richard

arxiv:0911.1801 v1 · 2009-11-09 · astro-ph.CO · astro-ph.GA

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	2026-05-18T02:10:49.322199Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dd7dcc3093446b4a0886af651f69af55d2c0a2e3f1d224690b2e6a1c37c38c19

Aliases

arxiv: 0911.1801 · arxiv_version: 0911.1801v1 · doi: 10.48550/arxiv.0911.1801 · pith_short_12: 3V64YMETIRVU · pith_short_16: 3V64YMETIRVUUCEG · pith_short_8: 3V64YMET

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/3V64YMETIRVUUCEGV5SR62NPKX \
  | 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: dd7dcc3093446b4a0886af651f69af55d2c0a2e3f1d224690b2e6a1c37c38c19

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "215361c9fe9ae2ca0d15c3200e366e4fef7079f28fc62afb881d828db28ce41f",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-11-09T22:49:32Z",
    "title_canon_sha256": "863ee67b31aa7c5dbaa948559bd96faf52457af19b8c6097401130b30a2c5a69"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0911.1801",
    "kind": "arxiv",
    "version": 1
  }
}