Pith Number

pith:ZMWXV7HC

pith:2011:ZMWXV7HCXMSD2NFQPAQUZUDFFP

not attested not anchored not stored refs pending

X-ray spectral evolution in M33 X-8

Andrew D. Sutton, Matthew J. Middleton, Timothy P. Roberts (Durham University)

arxiv:1106.3900 v1 · 2011-06-20 · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZMWXV7HCXMSD2NFQPAQUZUDFFP}

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	2026-05-18T02:01:34.824799Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cb2d7afce2bb243d34b078214cd0652bc5350ac7e3afe4de1785f822f1120715

Aliases

arxiv: 1106.3900 · arxiv_version: 1106.3900v1 · doi: 10.48550/arxiv.1106.3900 · pith_short_12: ZMWXV7HCXMSD · pith_short_16: ZMWXV7HCXMSD2NFQ · pith_short_8: ZMWXV7HC

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/ZMWXV7HCXMSD2NFQPAQUZUDFFP \
  | 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: cb2d7afce2bb243d34b078214cd0652bc5350ac7e3afe4de1785f822f1120715

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "512f3bc8f8efe6549f88b41c6e3370b5d11edecdc5e1bdd31eee30f4defa0f3a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-06-20T13:45:27Z",
    "title_canon_sha256": "b7bdd03244f7f087c6257b5cc935b313256be23a44dbdad52eb363310e65b442"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1106.3900",
    "kind": "arxiv",
    "version": 1
  }
}