Pith Number

pith:MQTDC47S

pith:2016:MQTDC47SGED4TT4H727H6Q4IGR

not attested not anchored not stored refs pending

UV-Optical Observation of Type Ia Supernova SN 2013dy in NGC 7250

BaoLi Lun (YNAO), ChuanJun Wang (YNAO), Fang Huang (THCA), JianGuo Wang (YNAO), JinMing Bai (YNAO), JuJia Zhang (YNAO), Liang Chang (YNAO), Peter J. Brown (TAMU), Qian Zhai (YNAO), Tianmeng Zhang (NAOC), WeiMin Yi (YNAO), XiangMing Zheng (YNAO), XiaoFeng Wang (THCA), XiLiang Zhang (YNAO), XuLin Zhao (THCA), YuFeng Fan (YNAO), YuXin Xin (YNAO), ZhengWei Liu (Bonn University)

arxiv:1602.05334 v3 · 2016-02-17 · 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{MQTDC47SGED4TT4H727H6Q4IGR}

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	2026-05-18T01:15:42.392834Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

64263173f23107c9cf87febe7f43883466136c9ee1a69b276a75105498300b86

Aliases

arxiv: 1602.05334 · arxiv_version: 1602.05334v3 · doi: 10.48550/arxiv.1602.05334 · pith_short_12: MQTDC47SGED4 · pith_short_16: MQTDC47SGED4TT4H · pith_short_8: MQTDC47S

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/MQTDC47SGED4TT4H727H6Q4IGR \
  | 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: 64263173f23107c9cf87febe7f43883466136c9ee1a69b276a75105498300b86

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "27484d4f5a3b0c7068686b62e1252a0b0873e033cdb1ae247e3c1ef143a7899a",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2016-02-17T08:51:35Z",
    "title_canon_sha256": "e5aa025ed0ea3ccc0ecf90af9bf08c4dfe12cb651084a3a8d491d735380e260f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1602.05334",
    "kind": "arxiv",
    "version": 3
  }
}