Pith Number

pith:OPHEGEEN

pith:2017:OPHEGEENJO2L2NTZQMKV2UA44J

not attested not anchored not stored refs pending

An Optical and Infrared Time-Domain Study of the Supergiant Fast X-ray Transient Candidate IC 10 X-2

Eran Ofek, Frank Masci, Jacob Jencson, Mansi M. Kasliwal, Martha L. Boyer, Russ Laher, Ryan M. Lau, Stephanie Kwan

arxiv:1712.05509 v1 · 2017-12-15 · astro-ph.SR · 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{OPHEGEENJO2L2NTZQMKV2UA44J}

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	2026-05-18T00:13:04.966427Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

73ce43108d4bb4bd367983155d501ce24c18a9bda72eab62cadbce02387d595c

Aliases

arxiv: 1712.05509 · arxiv_version: 1712.05509v1 · doi: 10.48550/arxiv.1712.05509 · pith_short_12: OPHEGEENJO2L · pith_short_16: OPHEGEENJO2L2NTZ · pith_short_8: OPHEGEEN

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/OPHEGEENJO2L2NTZQMKV2UA44J \
  | 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: 73ce43108d4bb4bd367983155d501ce24c18a9bda72eab62cadbce02387d595c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f267fb03dc460f6ce71ec7a914f9803fa3505d05f1ef361370aaa7c9edba1b00",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2017-12-15T02:09:23Z",
    "title_canon_sha256": "b170716aeba698440dc0e5f01b9f9e80259bb1551a240fe061e921d2df79c85c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1712.05509",
    "kind": "arxiv",
    "version": 1
  }
}