Pith Number

pith:MUJBC5KI

pith:2016:MUJBC5KIWRRRXSKABXYIV53X7F

not attested not anchored not stored refs pending

The disc origin of the Milky Way bulge

P. Di Matteo

arxiv:1603.05485 v1 · 2016-03-17 · 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	2026-05-18T01:11:31.361971Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6512117548b4631bc9400df08af777f969351f78ca82547b6ee139cb0738318f

Aliases

arxiv: 1603.05485 · arxiv_version: 1603.05485v1 · doi: 10.48550/arxiv.1603.05485 · pith_short_12: MUJBC5KIWRRR · pith_short_16: MUJBC5KIWRRRXSKA · pith_short_8: MUJBC5KI

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/MUJBC5KIWRRRXSKABXYIV53X7F \
  | 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: 6512117548b4631bc9400df08af777f969351f78ca82547b6ee139cb0738318f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d5f2492b0a30688baf9523780d943ab4bdc610fb80a72b8ba684373f51ae5b33",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2016-03-17T13:50:54Z",
    "title_canon_sha256": "2750c7ff92a9de3f030878164d06afa05e1f16000aed5efab4b721ffebed65ec"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1603.05485",
    "kind": "arxiv",
    "version": 1
  }
}