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 EXPRESS CONSTRUCTIONNational agencies
Transaction hash:
344dfef32a6d5dc9843fa3db9067945c451f23bd6a1f1cbae19eadc1c42f2670
Status:
Included and unchanged
Block:
#2,446 3,567 blocks after it
Position in block:
Transaction 50 of 212
Award day:
Jun 29, 2015 (11 yrs 4 mo ago)
Value:
₱2,973,861.67
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 #2,446 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 EXPRESS CONSTRUCTION on 2015-06-29.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 344dfef32a…2f2670now …
- 2. Block Merkle root changedstored b74978053c…a8a371now …
- 3. Block #2446 hash changedstored cded6a0905…b6f5e1now …
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 211 records. Each step hashes the current value together with the sibling shown.
- leaf 344dfef32a6d5dc9843fa3db9067945c451f23bd6a1f1cbae19eadc1c42f2670
- 01 R 35b93c57a6f071dd4a8d75a1e02c2fce8e4b803035d90efbe002a1b15b874873
- 02 L 4302c5f7fb4202a499e56c1f32609d10f0ecd296383db3919d7e62c7a4a83dae
- 03 R 429a551b326099b0e18af24a0a791f3e927ffa64cba55ccd388edb0e0d561ffb
- 04 R 06d92648a5e100868249ba20ff44949a54b779d826c68a287d406a18124b3c9d
- 05 L e2ac3cadb49dfde66edad8adaeaa2f70645ca26fc508d9a9fa3f9d79dfa62dcf
- 06 L 3b2d77b5e0f20a799682068f8ca37fc667e7fefaa05bc744d9f20fd5f1bf2101
- 07 R 3f3f83a172b7a7ebc492b282b372141cfbc7a40d9d39fba844806eb8e3b8d6ec
- 08 R d94d7c367c5e7506136025ce1092df3aac16ac25a59337682ab91073a3aa5c79
- root b74978053c89395852f499a4b848759ff089cab72b2d9b76b0632026fda8a371