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 ₱2.0M contract to ALE BUILDERS CONSTRUCTION & DEVELOPMENT CORPORATIONNational agencies
Transaction hash:
1db2da8e2eeab73f2a9de698b77c13c6482461435d8e59f26e920b50c6d1aba3
Status:
Included and unchanged
Block:
#2,397 3,616 blocks after it
Position in block:
Transaction 21 of 167
Award day:
May 4, 2015 (11 yrs 6 mo ago)
Value:
₱1,979,912.46
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 #2,397 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 ALE BUILDERS CONSTRUCTION & DEVELOPMENT CORPORATION on 2015-05-04.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 1db2da8e2e…d1aba3now …
- 2. Block Merkle root changedstored fdd4307419…4cae33now …
- 3. Block #2397 hash changedstored d23716eb40…421d63now …
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 166 records. Each step hashes the current value together with the sibling shown.
- leaf 1db2da8e2eeab73f2a9de698b77c13c6482461435d8e59f26e920b50c6d1aba3
- 01 L 1dababc5cf2b725a65cc98d8f4f186f2dd8facb139b8bf7771be373b7eeb7fe2
- 02 R 8b91e7a6d9f95fea3e4ae5681b65c5466e5d115f568e03b8bc68a7c3abb0e236
- 03 L e32b700995e152c8791298cdd781902ce4fd411be1835bf5f7cb31abe11b90fb
- 04 R 96fee296e3ebe973844e89a13c85b30c94aaa87cd63d3b7b0953ba6dc649a8ad
- 05 L 0546d48a5328c960434303a9ba9058771bacca8387974d0fd7c6f8955c25e534
- 06 R dea6385fe3e4d0bc2056354bd906e76a8f3e7124222339b2d35c59e1aa37519a
- 07 R d9dcf523bf9b1048c4d4210fd5e3984a23a399875162279258a33e63fa9c646d
- 08 R bfc5a52dd599345e161469b7e0fcfb55b5714165fba4defe8c8fa28257e2ae33
- root fdd430741959a396bd15085196da79927b89227d27c1f27ce6982105304cae33