Pith Number

pith:P2DQIY6Q

pith:2021:P2DQIY6QDEIZUBJCXPEIGX2KPW

not attested not anchored not stored refs pending

Deep Near-infrared Imaging Observation of the Faint X-ray Point Sources Constituting the Galactic Bulge X-ray Emission

Ken Ebisawa, Kumiko Morihana, Masahiro Tsujimoto, Poshak Gandhi

arxiv:2112.10355 v1 · 2021-12-20 · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{P2DQIY6QDEIZUBJCXPEIGX2KPW}

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	2026-07-05T03:56:53.537049Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7e870463d019119a0522bbc8835f4a7d874559806814b345457fc18abc162b34

Aliases

arxiv: 2112.10355 · arxiv_version: 2112.10355v1 · doi: 10.48550/arxiv.2112.10355 · pith_short_12: P2DQIY6QDEIZ · pith_short_16: P2DQIY6QDEIZUBJC · pith_short_8: P2DQIY6Q

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/P2DQIY6QDEIZUBJCXPEIGX2KPW \
  | 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: 7e870463d019119a0522bbc8835f4a7d874559806814b345457fc18abc162b34

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1832b9fde44f112ad84d9e7469259fe76d35a449af1f56115ef3f14832f9da61",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2021-12-20T06:36:14Z",
    "title_canon_sha256": "662bff281dd888181c2f2ddade0d0c7e2283aed47819476308762839a60923cf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2112.10355",
    "kind": "arxiv",
    "version": 1
  }
}