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 OLONGAPO, ZAMBALES Award a ₱1.8M contract to FERMIDA CONSTRUCTION SERVICES AND SUPPLIESCities
Transaction hash:
ed625ca3c8aa0dc9e1c84810c4829946623c72c06b6c7868464f9223dbeca1ba
Status:
Included and unchanged
Block:
#3,340 2,673 blocks after it
Position in block:
Transaction 239 of 257
Award day:
Feb 21, 2018 (8 yrs 8 mo ago)
Value:
₱1,795,720.98
Project:
Tabacuhan Elementary School, Barangay Sta. Rita
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 #3,340 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 OLONGAPO, ZAMBALES awarded it to FERMIDA CONSTRUCTION SERVICES AND SUPPLIES on 2018-02-21.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)COA's CY2024 audit of City of Olongapo 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 ed625ca3c8…eca1banow …
- 2. Block Merkle root changedstored 3e8bf54420…5ccf3enow …
- 3. Block #3340 hash changedstored 1ed7351191…5bbd1fnow …
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 256 records. Each step hashes the current value together with the sibling shown.
- leaf ed625ca3c8aa0dc9e1c84810c4829946623c72c06b6c7868464f9223dbeca1ba
- 01 L ece38a927055fe8a9db3520c8fa1bb6bd8d2c729abfdfae3f796cb8013257b67
- 02 L cc432608658093bddfd9e2e22cf62a41e5cf49f8a4b4a431d74b1c38bc69c343
- 03 L 3fdb4fc1e3f41ffc0fd9982c53794745c2e0f4853506f6017e09a30a8a7e8539
- 04 L dc1346bf66029cdba57088acd4032e31b4afe8167ce6e9a97adc62195aeb0416
- 05 R 28bcb9412f3b9f50c1518cc9b4d41854150a0d81d57bfbea7b15a4349ab66124
- 06 L b974f34cc5946a26b6ab9453d110bb8a25e0ec45e5ef1f9e22d5620a05eb4246
- 07 L bb2a24bfab831b913803c90327e059a0876831b9a5fb3c3682a0743328393628
- 08 L 2e9f47dcbc5fc527fe1baac23085d01ba455afeb21a5c93d7aaabb2041a4107b
- 09 R fe270590949750e9e8ccbb013492320e7352a19861effc15aabb8b08034e4fed
- root 3e8bf5442012232ba2e976544761f5c4abd889bd2b540e598258282e1e5ccf3e