DemoFor public education only. These blocks are built by PisoScan from published PhilGEPS records to show how a budget ledger like CADENA would work. No government agency created or signed them, and this is not an official ledger. How it works
Transaction details
APITransaction action
METRO MANILA DEVELOPMENT AUTHORITY Award a ₱3.0M contract to A.J. LAVA BUILDERSNational agencies
Transaction hash:
e1d58cea2742b8564eb1668dbb7941918c11d93ae0d4f8fea2b876d5bf92b8bb
Status:
Included and unchanged
Block:
#2,554 3,459 blocks after it
Position in block:
Transaction 142 of 165
Award day:
Oct 21, 2015 (11 yrs ago)
Value:
₱2,978,429.47
Project:
construction project
Full record:
Accountability
Bill Sec. 3 and 19Responsible agency:
Accountable officer:
Not stated in the source. PhilGEPS does not publish who certified the award.
Certification:
Not certified No agency signed this record. Under CADENA the accountable officer would sign it with their own key.
Demo signature:
Block #2,554 signature valid Demo key, proves nothing about the governmentPublic key
Linked records: from budget to payment
Bill Sec. 5- 1. AppropriationGAA line item · Sec. 5(b)The award does not say which budget line pays for it.Not published
- 2. Allotment releaseSARO / allotment · Sec. 5(c)(iii)Not published per project. DBM releases SAROs, but not linked to individual contracts.Not published
- 3. Cash allocationNotice of Cash Allocation · Sec. 5(c)(iv)Not published per project.Not published
- 4. Contract awardNotice of Award (PhilGEPS) · Sec. 5(d)METRO MANILA DEVELOPMENT AUTHORITY awarded it to A.J. LAVA BUILDERS on 2015-10-21.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)No matching DPWH contract record (only DPWH contracts are listed with progress).Not published
- 6. PaymentDisbursement voucher · Sec. 5(c)(viii)Not published. No public source shows how much of this contract has been paid.Not published
- 7. CompletionCertificate of completion · Sec. 5(d)No completion certificate published.Not published
- 8. AuditCOA annual audit report · Sec. 5(e)(iii)No COA finding linked to this contract.Not published
1 of 8 documents found, 0 partly. Under CADENA every step would be published within 7 working days and linked to this record.
Tamper test: try changing this record
DemoEdit the amount as if someone quietly changed the record. Your browser re-hashes it and walks up the chain. Nothing is saved.
- 1. Record fingerprint changedstored e1d58cea27…92b8bbnow …
- 2. Block Merkle root changedstored e78f5dbc3f…6fd54anow …
- 3. Block #2554 hash changedstored f2f0560ef1…5d8671now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (8 steps)
How this one record is tied to the block's Merkle root, without needing the other 164 records. Each step hashes the current value together with the sibling shown.
- leaf e1d58cea2742b8564eb1668dbb7941918c11d93ae0d4f8fea2b876d5bf92b8bb
- 01 R e302ca05b30feb691179142248969075586172fad1fa1223c777120e35a76084
- 02 L e48a23a38b20d3056f989751e6890059e8dd0877c19e35feb61aa37448bb05e7
- 03 L 774bc31354c0438590f4256d13b863bd34ae270e282cf2eaa05c8a368300f1aa
- 04 L 433a0a98453f75c2c354d6b7a5515b1ee053dc5adbe91f55ec681965372d112e
- 05 R 2efcf4561252bf955f316eb7c5b957d501a8f972c35768ba3ff384f252b3694c
- 06 R 04c4767d9465818b55eaf71bec1fd035e80fe473146ba0135c5c9a64d12cee7c
- 07 R ab188bd7fc3ecfe28b1cb9dd2c7ca2f1b2352550a3cfd5264f291080f59d5c61
- 08 L 7a86cb9c231c2f0fe33b3f1797f0fbdca8ba592807576412983ded5297df358d
- root e78f5dbc3f04684a13c9cd29ac6bd637c0de7d28158a7e008f264d9c566fd54a