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
ZAMBOANGA CITY WATER DISTRICT Award a ₱1.3M contract to TEDDIE CONSTRUCTION DEVELOPMENT INCORPORATIONCities
Transaction hash:
dee4e8554e95e6f4b0001e4d19c4863061275ca432f8b45255451c1191a1c1ad
Status:
Included and unchanged
Block:
#1,752 4,261 blocks after it
Position in block:
Transaction 274 of 312
Award day:
May 14, 2013 (13 yrs 6 mo ago)
Value:
₱1,337,577.80
Project:
PR No. 12-0108
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 #1,752 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)ZAMBOANGA CITY WATER DISTRICT awarded it to TEDDIE CONSTRUCTION DEVELOPMENT INCORPORATION on 2013-05-14.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 Zamboanga gave a "qualified" 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 dee4e8554e…a1c1adnow …
- 2. Block Merkle root changedstored 70bd6da55a…4ef953now …
- 3. Block #1752 hash changedstored f74072cbac…bc7ffcnow …
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 311 records. Each step hashes the current value together with the sibling shown.
- leaf dee4e8554e95e6f4b0001e4d19c4863061275ca432f8b45255451c1191a1c1ad
- 01 R deebb2488eef81ff842548ecbd228155d9b00e3053fcf8207604ba8df43a746c
- 02 L 0fddf4ef488a83f7f10c3f5a3b320e9117821944a72659dac2687372a155ccf9
- 03 R e0f6e17c69027e12d444d8112acbeb3ab90ca31a07b71b17419bcd519184c6cf
- 04 R 005f487e3268597e7ddadd58d35dcd527c011f7b7a503d55fafbdfc40346377b
- 05 L eb4f4bc0f802ac8fe13d6739e6958227283bda48ea3efacd3fef946e4f18407d
- 06 R 603effa526c37e171849b3a57d0c48859b71aa69cd838c040e080c68fe440cd7
- 07 R a8a58b82df4395ae9154c50a1c21bfc2f6c2f7e14c82749324fa04740607a051
- 08 R 85170b486daf7e9728088fc9d67b680bea2b43fd6b23d5145dca1106cf3547ef
- 09 L 941c2901066090050327efbdb1814e10e5a3859605c65dfb5ae56d5afcbd0f79
- root 70bd6da55ae5ece347e71d689e1e855d2f433c27fad0bc13807bbada4c4ef953