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
DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - NORTH METRO MANILA Award a ₱52.9M contract to MANGEN TECHNO - BUILDERS, INC.National agencies
Transaction hash:
074262d2db3bfd3fc6e8ecc7b42a5be95efb8dc557c3a9b26d59586335bf8283
Status:
Included and unchanged
Block:
#3,788 2,225 blocks after it
Position in block:
Transaction 4 of 227
Award day:
Jun 13, 2019 (7 yrs 5 mo ago)
Value:
₱52,878,493.93
Project:
Local Program
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 #3,788 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)DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - NORTH METRO MANILA awarded it to MANGEN TECHNO - BUILDERS, INC. on 2019-06-13.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 074262d2db…bf8283now …
- 2. Block Merkle root changedstored 63fd654226…2ef92cnow …
- 3. Block #3788 hash changedstored 590b90c5d0…d888canow …
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 226 records. Each step hashes the current value together with the sibling shown.
- leaf 074262d2db3bfd3fc6e8ecc7b42a5be95efb8dc557c3a9b26d59586335bf8283
- 01 R 08231ab4d2ced8d2d6d10094eef7da9e0bdeb6009385d71aa0795ea6d2b567ae
- 02 R 58632c36efefc3e96b342d4bf101b25aa098edc6bde59c50e9c9d30a51a94317
- 03 L 349ae11fd4b97eedbb820b528d1b2c357281744ceaa16f04f7a906fb035a8626
- 04 R 66cff11a2b22d903abef298df3139761e429ede90c27c2a2874b83999182491b
- 05 R 18ea8a1cda4e01200cb982989614e62711a35753659b1670d76f9d6a584c1b63
- 06 R 4219033df8ee4027a241c76e9f1326d3832554b18ff9782d6eb317625b48ac15
- 07 R 26ae6f12dba2d1ee27d750982755a778733b2ba203dbd0568950c60d9a9f54b5
- 08 R 745a8356e208731a7958d112cd69d13b4e880b5b61c98151c9a1250e4bed02b4
- root 63fd6542268ec5f39d7b20813113f756f0a4dfecfad6a80f207a99d13c2ef92c