Pith Number

pith:QYISMDAS

pith:2015:QYISMDASPL7R4GJEVOWEJVPWYQ

not attested not anchored not stored refs pending

Spectroscopic variability of IRAS22272+5435

A. Grankina, B.J. Hrivnak, B. Kaminsky, F. Musaev, J. Sperauskas, L. Za\v{c}s, Y. Pavlenko

arxiv:1511.03450 v1 · 2015-11-11 · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QYISMDASPL7R4GJEVOWEJVPWYQ}

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	2026-05-18T01:23:50.416378Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8611260c127aff1e1924abac44d5f6c43e48c0abfc8324698d0bd58da3066c80

Aliases

arxiv: 1511.03450 · arxiv_version: 1511.03450v1 · doi: 10.48550/arxiv.1511.03450 · pith_short_12: QYISMDASPL7R · pith_short_16: QYISMDASPL7R4GJE · pith_short_8: QYISMDAS

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/QYISMDASPL7R4GJEVOWEJVPWYQ \
  | 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: 8611260c127aff1e1924abac44d5f6c43e48c0abfc8324698d0bd58da3066c80

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6230b11ea40d1f85b565a724bb5cb08afbe5fa7c400a8233e8c4f61f0ba6626a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2015-11-11T11:03:23Z",
    "title_canon_sha256": "e2ecf46b281385db7926074fd52150a2b3d386a21476878f6e0701e47b662a62"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1511.03450",
    "kind": "arxiv",
    "version": 1
  }
}