Pith Number

pith:KKUQ6ZCY

pith:2016:KKUQ6ZCYAMO6QPL3ICPDL5XPMW

not attested not anchored not stored refs pending

The first stars of the Rho Ophiuchi Dark Cloud. XMM-Newton view of Rho Oph and its neighbors

2), (2) Harvard-Smithsonian Center for Astrophysics), Alyssa Goodman (2) ((1) INAF-Osservatorio Astronomico di Palermo, Hope H. Chen (2), Ignazio Pillitteri (1, Scott J. Wolk (2)

arxiv:1605.07365 v1 · 2016-05-24 · astro-ph.SR · 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{KKUQ6ZCYAMO6QPL3ICPDL5XPMW}

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	2026-05-18T01:09:34.371427Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

52a90f6458031de83d7b409e35f6ef658751ee829c9830873fd733d6b9bbf90d

Aliases

arxiv: 1605.07365 · arxiv_version: 1605.07365v1 · doi: 10.48550/arxiv.1605.07365 · pith_short_12: KKUQ6ZCYAMO6 · pith_short_16: KKUQ6ZCYAMO6QPL3 · pith_short_8: KKUQ6ZCY

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/KKUQ6ZCYAMO6QPL3ICPDL5XPMW \
  | 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: 52a90f6458031de83d7b409e35f6ef658751ee829c9830873fd733d6b9bbf90d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bb7f053752abac1bdb09c90c1f3226752f9f9eefb208b0f3450f16f821eaa5f0",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2016-05-24T10:27:22Z",
    "title_canon_sha256": "350a8ad8b6cc67c276b98770081adb23ebedf08ffeeccb4790d163a0fc9af8e1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1605.07365",
    "kind": "arxiv",
    "version": 1
  }
}