Pith Number

pith:IEXMGQ2T

pith:2016:IEXMGQ2TBMWNXAOMG2MR7NIXMX

not attested not anchored not stored refs pending

The search for failed supernovae with the Large Binocular Telescope: confirmation of a disappearing star

C. S. Kochanek, J. R. Gerke, K. Z. Stanek, S. M. Adams, X. Dai

arxiv:1609.01283 v2 · 2016-09-05 · astro-ph.SR · astro-ph.GA · 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{IEXMGQ2TBMWNXAOMG2MR7NIXMX}

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	2026-05-18T00:42:02.598568Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

412ec343530b2cdb81cc36991fb51765eb9252ac4459f984b2ad3ead6bba376a

Aliases

arxiv: 1609.01283 · arxiv_version: 1609.01283v2 · doi: 10.48550/arxiv.1609.01283 · pith_short_12: IEXMGQ2TBMWN · pith_short_16: IEXMGQ2TBMWNXAOM · pith_short_8: IEXMGQ2T

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/IEXMGQ2TBMWNXAOMG2MR7NIXMX \
  | 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: 412ec343530b2cdb81cc36991fb51765eb9252ac4459f984b2ad3ead6bba376a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4358b0cf503f9eddc85b6d0fdf8635de1abe1b210bf7b2dfbb3d875231aff9a5",
    "cross_cats_sorted": [
      "astro-ph.GA",
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2016-09-05T20:00:01Z",
    "title_canon_sha256": "a6cd7736a8ea522167aebf7401caf21958fcaf7a3e1f5bf0e72f22e8c426e66d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1609.01283",
    "kind": "arxiv",
    "version": 2
  }
}