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
CITY OF MANDALUYONG Award a ₱23.4M contract to ALEXA TRADING AND CONSTRUCTIONCities
Transaction hash:
87b75f8d511f0ddbbb22a4d86ebe4cb7cd23805f1790fa6b4e3bcdf20557c9e5
Status:
Included and unchanged
Block:
#4,798 1,215 blocks after it
Position in block:
Transaction 413 of 742
Award day:
May 11, 2022 (4 yrs 6 mo ago)
From:
Value:
₱23,430,479.00
Project:
Site Development
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 #4,798 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)CITY OF MANDALUYONG awarded it to ALEXA TRADING AND CONSTRUCTION on 2022-05-11.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)COA's CY2024 audit of City of Mandaluyong gave a "unmodified" opinion on its financial statements (not specific to this contract).Partly
1 of 8 documents found, 1 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 87b75f8d51…57c9e5now …
- 2. Block Merkle root changedstored 9cce638790…0fd03cnow …
- 3. Block #4798 hash changedstored 5006c83b53…4462a6now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (10 steps)
How this one record is tied to the block's Merkle root, without needing the other 741 records. Each step hashes the current value together with the sibling shown.
- leaf 87b75f8d511f0ddbbb22a4d86ebe4cb7cd23805f1790fa6b4e3bcdf20557c9e5
- 01 L 878df5ebb436697b1d24ebb8e1ca651d6cf470af26d0edc0a5932463ea3b7920
- 02 R 450bf0dd95c22ca815d19df5ce76cd404acf9e50eebf19c1d54d97d13428f2c1
- 03 L 657c2ade5ff805057579f9dd894776f25cab9fc52efe829f5cefa603d79cfd54
- 04 L be273ecd5d42598f62bbb6c77199c1e5c72e2e879a631696047aebf5efbcd078
- 05 L 8dbec4920ac15fe9d4b9809f034e8c675550621f91e90a9c6c4d72a47c58176b
- 06 R ed4bab21b8d8915e18a0068a582ff103b7eb72de0c254779d8c713a2f05404ae
- 07 R 94f0304c7a11e29569dd2a9945eea8402632b0c72f8dcbc5295229969a47c103
- 08 L 8d92df50cf50607b20d71aac6e33410fbab0af41076ae9389e899cc5f04fd524
- 09 L 57028592a2719f6c982d81ef27058728d85318b4c8042aeb450f72a4d9846286
- 10 R 0d15552e8b7732babec2bb13daea6965d834d1ac5c24ff3b488066df10368f1b
- root 9cce63879079a6da06fb190c52b2bb84c29396de8abc4c654b67437ec70fd03c