Pith Number

pith:XDCTOIGU

pith:2014:XDCTOIGUTFNRVDNC55JNOTWDTR

not attested not anchored not stored refs pending

Reengineering observatory operations for the time domain

Frederic V. Hessman, Robert L. Seaman, W. Thomas Vestrand

arxiv:1407.7552 v1 · 2014-07-28 · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XDCTOIGUTFNRVDNC55JNOTWDTR}

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	2026-05-18T02:46:22.397989Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b8c53720d4995b1a8da2ef52d74ec39c68e0ddd0536bbf5d582e5bc31eea3768

Aliases

arxiv: 1407.7552 · arxiv_version: 1407.7552v1 · doi: 10.48550/arxiv.1407.7552 · pith_short_12: XDCTOIGUTFNR · pith_short_16: XDCTOIGUTFNRVDNC · pith_short_8: XDCTOIGU

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/XDCTOIGUTFNRVDNC55JNOTWDTR \
  | 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: b8c53720d4995b1a8da2ef52d74ec39c68e0ddd0536bbf5d582e5bc31eea3768

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9b455c8af3938f3ff1431a5b21354d7b562811b0fdbf29ad0b84c681b7214f78",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2014-07-28T20:18:01Z",
    "title_canon_sha256": "401e5fc7470698cebe6c7bdd6685b68862c4bb0332a654bf7082665130fc8a97"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1407.7552",
    "kind": "arxiv",
    "version": 1
  }
}