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 PETT BUILDERSNational agencies
Transaction hash:
2a87ad07dc4b302037fb22dc424b1ef21fb470e19c98cc3366783bed2b4ec641
Status:
Included and unchanged
Block:
#4,377 1,636 blocks after it
Position in block:
Transaction 48 of 377
Award day:
Mar 1, 2021 (5 yrs 8 mo ago)
Value:
₱2,959,486.40
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 #4,377 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 PETT BUILDERS on 2021-03-01.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 2a87ad07dc…4ec641now …
- 2. Block Merkle root changedstored 427efec486…866f89now …
- 3. Block #4377 hash changedstored fd439fa0ee…c4d343now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (9 steps)
How this one record is tied to the block's Merkle root, without needing the other 376 records. Each step hashes the current value together with the sibling shown.
- leaf 2a87ad07dc4b302037fb22dc424b1ef21fb470e19c98cc3366783bed2b4ec641
- 01 R 2c318420182815253724e05391cf9edb8c8bcc99b24a65be567e8a54569d5456
- 02 R aef5912b76d7d04ade874431a722684ef3c7b5b34ddd72a9e743dd9d3f4b1897
- 03 R 3909810980589d53d0e110a47061c61ea5a67dd6fd7d1f6e3a13950bd388dca8
- 04 R ac71928906ea5dde8e1f0bf716c5c83a27914a1a08846bbba21a01c678b0208c
- 05 L d1fa40f4f9522a68901366e302689c18f71baa5d342be485a36ea3e14a23772c
- 06 L b452fc0110d0265c659f24839f23f299faa63bf24fb2d97920477e68b7bd3a0f
- 07 R eee9360b488a7f72d18f324cfd4b787a84a64fa3956e80a0f16f9695a94e7c30
- 08 R ec92f153185b00d1e669810844f11af51dd4d7a0a80557cdc7b4f9f697868383
- 09 R 0a7e03f838232178e58017eeb9d910d94c9cb802cf5b9f7472133e8e4b8aed7b
- root 427efec48666f07a4933c74aa7030c56b32ed70571a3ab3c5c451a8578866f89