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 SURIGAO, SURIGAO DEL NORTE Award a ₱871.8K contract to CYE CONSTRUCTION AND SUPPLYCities
Transaction hash:
537abe98006c2896f58d8dfd0d5ac33695c1b85b3c7ad28a2aaf5c61621ab1c2
Status:
Included and unchanged
Block:
#3,961 2,052 blocks after it
Position in block:
Transaction 104 of 376
Award day:
Dec 10, 2019 (6 yrs 11 mo ago)
Value:
₱871,820.74
Project:
Conc. of Access Road from Purok Sampaguita, Ipil
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 #3,961 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 SURIGAO, SURIGAO DEL NORTE awarded it to CYE CONSTRUCTION AND SUPPLY on 2019-12-10.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 Surigao 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 537abe9800…1ab1c2now …
- 2. Block Merkle root changedstored df3ef667ef…12b360now …
- 3. Block #3961 hash changedstored 2d43e389ad…fb599enow …
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 375 records. Each step hashes the current value together with the sibling shown.
- leaf 537abe98006c2896f58d8dfd0d5ac33695c1b85b3c7ad28a2aaf5c61621ab1c2
- 01 R 53917a4f514648e58358893a165cab685fb1358445824b79ff3ec3d3ae0b1383
- 02 R cdf167a4d2a5adc9241d95af9113cfd4c5b193cfea6b067d3445a1e2be060ef0
- 03 R 0c903fea4404452ced5a0e3f90c965ff1027952503e367bc5620c7cbb4f52fe2
- 04 L 8c8fd13693a7913188d5271a8e3a52e0594c83345a76ebd98463f049d9d67388
- 05 R 8efe15a190ee429201c44555c9febbf00bb1eaac660b055a6d8d80a1322ed9ee
- 06 L c687929290f3c5dc1588b3355fc7dfd32182b57c2732b98b95fa0f10f7f0e379
- 07 L f48087164571652d5ba08c61e6852a7a214c4df65f3c0156f13105abf021f165
- 08 R cff0231c8b551bf4c7ae96326fc5f147cfcb009207440ed8145aee2af405ba8e
- 09 R e963bcb530727cb83aeed8511929d8e31065e2ce8751990fdb09a39d39cc4c2e
- root df3ef667efd92ec73f4a5a81db4af875a378ed5c769e6ac640c95ba75a12b360