Pith Number

pith:LI77WRSQ

pith:2011:LI77WRSQSYWMRTBUOXVOBK2USO

not attested not anchored not stored refs pending

The Continuing Outburst of V1647~Orionis: Winter/Spring 2011 Observations

Colin Aspin

arxiv:1108.1504 v3 · 2011-08-06 · 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{LI77WRSQSYWMRTBUOXVOBK2USO}

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	2026-05-18T02:01:00.749120Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5a3ffb4650962cc8cc3475eae0ab5493b63633e146753b7806f8f0934bd3afb4

Aliases

arxiv: 1108.1504 · arxiv_version: 1108.1504v3 · doi: 10.48550/arxiv.1108.1504 · pith_short_12: LI77WRSQSYWM · pith_short_16: LI77WRSQSYWMRTBU · pith_short_8: LI77WRSQ

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/LI77WRSQSYWMRTBUOXVOBK2USO \
  | 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: 5a3ffb4650962cc8cc3475eae0ab5493b63633e146753b7806f8f0934bd3afb4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c1438c6313439c328d371a012b5c8e621050ec73e895fda571bbb2f0c8ec5edc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2011-08-06T19:40:42Z",
    "title_canon_sha256": "9bf7f67e4812e3064ace67557497a226d5da109a65f5a57ba6fbcb64b7c2bf2c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1108.1504",
    "kind": "arxiv",
    "version": 3
  }
}