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 ₱20.4M contract to JMD CONSTRUCTION SERVICES INC.National agencies
Transaction hash:
1b95db7e0f55d07a5383e67dc02c4fd535cc8ee3f49973fdcd105185efc33e8a
Status:
Included and unchanged
Block:
#4,753 1,260 blocks after it
Position in block:
Transaction 286 of 2,654
Award day:
Mar 21, 2022 (4 yrs 7 mo ago)
Value:
₱20,383,905.51
Project:
Construction Projects
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 #4,753 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 JMD CONSTRUCTION SERVICES INC. on 2022-03-21.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 1b95db7e0f…c33e8anow …
- 2. Block Merkle root changedstored 42b451b099…3ea519now …
- 3. Block #4753 hash changedstored 7a6785d5ab…fe9adanow …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (12 steps)
How this one record is tied to the block's Merkle root, without needing the other 2,653 records. Each step hashes the current value together with the sibling shown.
- leaf 1b95db7e0f55d07a5383e67dc02c4fd535cc8ee3f49973fdcd105185efc33e8a
- 01 R 1b9e28a9130157207199d9953dea5d5f8ef07e4b800278af2c33c0a182276034
- 02 L cbf1e557a8d2acc381845894e9832d2ae1714005c352d644c5e864131b445b87
- 03 L b7bf7369fc9cfc612b013de8b7c87015f711eada157c0bef31dea3bd008d2e50
- 04 L 55e938d3680d93bb5268b6f7ef8997a31d005dcb47d898f8e714b48eef36445b
- 05 L 3cde59c961ca0ec42f3cdb6a457ff899547ae1f9733911ebf65c6e63a228c122
- 06 R cfc042dad0e7ff0839dee054d8883bd42510d17e311ecf22fabe301a90d79085
- 07 R fa5ccd6690bf7cb767bd311243d5f9bfc1deb6e6b8ef83963653b25814b6529d
- 08 R 75dd151d1ff1a9fc9da3a2df32b47a379a7e15ca1c49ff145db66ffe8d24cad4
- 09 L 87bc19862f4da5f9e3597a8104f71e3eb7c58302418898864ec0370d96aa0f19
- 10 R 81effd39209fc331ce30c78f7dab78b74d7ffca7db39731b6106f5acbdc7cc6d
- 11 R 4dfc1f834de752b1797582fdad84298fc6bb3d20b666e7bb5ea79aaa4d3bef39
- 12 R d55cd178496ea6f6fb3cafd38454a44011bc907d9df5674226db99e74eb4ca06
- root 42b451b09904c029f48036c90640703eddae9f73be9f88dd0cae400c353ea519